Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
11746 words
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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProC2 (3931) Pro
slavey
C2
/ˈsleɪ.vi/
dated, informal, and often offensive: a female domestic servant who performs general or menial household work
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pankration
C2
/pænˈkreɪtiɑːn/
an ancient Greek combat sport combining wrestling and boxing, with very few prohibited techniques
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wrongheaded
C2
/ˈrɔŋˌhɛdɪd/
obstinately perverse in judgment or opinion
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debility
C2
/dəˈbɪləti/
physical or mental weakness, especially weakness caused by illness or age
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disputable
C2
/dɪˈspju.tə.bəɫ/
capable of being disproved
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acclimatization
C2
/əˌklaɪ.mə.t̬əˈzeɪ.ʃən/
the process of becoming adjusted to a new climate, altitude, or other environmental conditions
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caffeinate
C2
/ˈkæfɪˌneɪt/
To drink coffee or other caffeinated drinks to feel more awake and alert.
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tetter
C2
/ˈtɛtɚ/
archaic: any of various itching, scaly, blistering, or pustular skin eruptions, without the precision of a modern diagnosis
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discreditable
C2
/dɪsˈkrɛdɪtəbəl/
deserving disapproval or tending to damage someone's reputation
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euphonious
C2
/juːˈfoʊ.ni.əs/
pleasant, harmonious, and agreeable to the ear
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grammarian
C2
/ɡɹəˈmɛɹiən/
a scholar or specialist who studies and describes grammar
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numinous
C2
/ˈn(j)umənəs/
evincing the presence of a deity
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expiratory
C2
/ɪkˈspaɪrəˌtɔri/
of or relating to the breathing out phase of respiration
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dynamical
C2
/daɪˈnæmɪkəl/
relating to dynamics, forces, or the laws governing motion and change
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dragoman
C2
/ˈdræɡəmən/
an interpreter and guide in the Near East
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somnolent
C2
/ˈsɑːmnələnt/
Causing literal or figurative sleepiness.
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self-aggrandizement
C2
/ˈsɛlˈfægrənˌdaɪzmənt/
Acting to increase your own power, wealth, or importance.
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polygonal
C2
/pɑˈlɪɡənəl/
having the shape or angular form of a polygon
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membranous
C2
/ˈmɛm.bɹən.əs/
characterized by formation of a membrane (or something resembling a membrane)
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quaver
C2
/ˈkweɪvər/
in British musical terminology, a note with half the time value of a crotchet; an eighth note
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calculable
C2
/ˈkælkjələbəl/
able to be calculated, measured, or estimated with reasonable accuracy
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gloomily
C2
/ˈɡluːmɪli/
with gloom
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pervious
C2
/ˈpɝviəs/
able to be penetrated or passed through by water, air, or another substance
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baptistry
C2
/ˈbæp.tɪ.stri/
a part of a church, or a separate building beside one, where baptisms are performed
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epistemological
C2
/ɪˌpɪstəməˈlɑd͡ʒəkəl/
Of or pertaining to epistemology or theory of knowledge, as a field of study.
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selectivity
C2
/sɪˌlɛkˈtɪvəti/
The quality of being careful or particular about what one chooses.
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costumier
C2
/kɑːsˈtuːmieɪ/
a person or company that designs, makes, supplies, or hires out costumes, especially for theatre
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salable
C2
/ˈseɪ.lə.bəl/
suitable or sufficiently desirable to be sold
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misappropriate
C2
/ˌmɪs.əˈpɹoʊ.pɹi.eɪt/
To embezzle.
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paradisiacal
C2
/ˌpærədɪˈsaɪəkəl/
idyllically beautiful, peaceful, or pleasurable
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flitter
C2
/ˈflɪtər/
to move rapidly and lightly with an irregular, fluttering motion
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superfluity
C2
/ˌsuː.pəˈfluː.ɪ.ti/
extreme excess
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bilberry
C2
/ˈbɪl.bɛr.i/
a small dark-blue edible berry resembling a blueberry and growing wild in northern Europe
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peccary
C2
/ˈpekəri/
a social, piglike hoofed mammal native to the Americas, belonging to the family Tayassuidae
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survivorship
C2
/sərˈvaɪvərˌʃɪp/
law and finance: the right of a surviving joint owner or beneficiary to receive property or benefits after another person's death
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acuteness
C2
/əˈkjuːtnəs/
a quick and penetrating intelligence
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equable
C2
/ˈɛkwəbəl/
Calm and not easily upset.
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introversion
C2
/ɪntɹəˈvəɹʒən/
a personality orientation toward one's inner thoughts and feelings, often accompanied by a preference for lower-stimulation or solitary settings
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cozen
C2
/ˈkoʊzən/
to cheat or trick
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apologetically
C2
/əˌpɑːləˈdʒɛtɪˌkliː/
in an apologetic manner
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purgation
C2
/pɝːˈɡeɪʃən/
the act of cleansing someone or something of impurity, guilt, or defilement
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neurasthenic
C2
/ˌnʊɹəsˈθɛnɪk/
historical medicine: relating to or affected by neurasthenia, a diagnosis involving fatigue, weakness, and nervous symptoms
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taxonomic
C2
/ˌtæksəˈnɒmɪk/
of or relating to taxonomy
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polysyllabic
C2
/ˌpɔ.lɪ.sɪˈlæ.bɪk/
Having more than one syllable, or many syllables.
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headachy
C2
/ˈhɛdˌeɪ.ki/
suffering from a headache
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tuberculous
C2
/tuˈbɝkjələs/
constituting or afflicted with or caused by tuberculosis or the tubercle bacillus
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demoralization
C2
/dɪˌmɔrələˈzeɪʃən/
the destruction or serious weakening of a person's or group's confidence, discipline, or morale
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rhapsodize
C2
/ˈræpsəˌdaɪz/
To say (something) with exaggerated or rapturous enthusiasm.
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emolument
C2
/əˈmɑljəmənt/
Payment or financial benefit received from a job or official position.
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ruminant
C2
/ˈɹuːmɪnənt/
A hoofed animal, such as a cow, sheep, or deer, that chews the cud and has a stomach with several compartments.
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disavowal
C2
/ˌdɪs.əˈvaʊ.əl/
an act or statement denying knowledge of, responsibility for, connection with, or support for something
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hornless
C2
/ˈhɔːn.ləs/
having no horns
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scintillation
C2
/ˌsɪn.təˈleɪ.ʃən/
The twinkling of a star or other celestial body caused by turbulence in the Earth's atmosphere.
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epistolary
C2
/ɪˈpɪstəˌlɛɹi/
written in the form of or carried on by letters or correspondence
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pugnacity
C2
/pʌɡˈnæsəti/
The act or characteristic of being aggressive or combative.
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valediction
C2
/ˌvæləˈdɪkʃən/
the act of saying farewell, or the words used when parting
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depredation
C2
/ˌdɛprəˈdeɪʃən/
an act of plundering, pillaging, or violently seizing property
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querulous
C2
/ˈkwɛɹ(j)ələs/
habitually complaining
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quaternary
C2
/ˈkwɑ.tɚˌnɛɹ.i/
consisting of four parts or arranged in groups of four
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ambassadress
C2
/æmˈbæsədrəs/
dated: a female ambassador or a woman acting as an emissary
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shamefaced
C2
/ˈʃeɪmˌfeɪst/
showing shame, guilt, or embarrassment, often through an awkward or subdued expression
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usurious
C2
/juˈʒʊriəs/
charging or involving illegally or unfairly high interest on a loan
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depopulate
C2
/diːˈpɑː.pjə.leɪt/
to greatly reduce or remove the population of a place
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arrear
C2
/əˈɹɪɹ/
an unpaid or overdue amount, now most commonly used in the plural arrears
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fifthly
C2
in the fifth place
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dilapidation
C2
/dəˌlæp.əˈdeɪ.ʃən/
a state of deterioration due to old age or long use
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impalpable
C2
/ɪmˈpælpəbəl/
unable to be touched or physically felt; intangible or insubstantial
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vacillation
C2
/ˌvæsəˈleɪʃən/
indecision shown by repeatedly changing between opinions, choices, or courses of action
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perambulation
C2
/pɚˌæmbjəˈleɪʃən/
formal or humorous: a walk, stroll, or tour made on foot
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courser
C2
/ˈkɔrsɝ/
historical or literary: a swift, strong horse, especially one ridden in battle
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sepulchral
C2
/səˈpʌlkɹəl/
of or relating to a sepulchre
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undulation
C2
/ˌʌndjʊˈleɪʃən/
a smooth rising-and-falling or back-and-forth movement like a wave
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unimproved
C2
/ˌənɪmˈpruːvd/
not made more desirable or valuable or profitable
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cambric
C2
/ˈkeɪmbrɪk/
a fine, closely woven white fabric originally made of linen and now also made of cotton
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outlawry
C2
/ˈaʊtˌlɔri/
historical law: the formal placing of a person outside the law and its protection
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parer
C2
/ˈpɛr.ɚ/
a tool used to remove a thin outer layer from fruit, vegetables, or another object
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untempered
C2
not moderated or controlled
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therapeutics
C2
/ˌθɛrəˈpjuːtɪks/
the branch of medicine concerned with treating disease and relieving symptoms
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counteraction
C2
/ˌkaʊntɚˈækʃən/
action taken to oppose, offset, or neutralize the effect of another action or force
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absolutist
C2
/ˈæb.səˌlu.tɪst/
a person who supports absolute political authority or treats a principle as allowing no exceptions
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synoptic
C2
/sɪˈnɑːptɪk/
presenting a summary or general view of a whole
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evangelize
C2
/ɪˈvændʒəlaɪz/
to preach the Christian gospel, especially in order to convert people
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prognosticate
C2
/pɹɒɡˈnɒstɪkeɪt/
To predict or forecast, especially through the application of skill.
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stenographic
C2
/ˌstɛnəˈɡɹæfɪk/
relating to, written in, or employing shorthand or stenography
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chronometric
C2
/ˌkrɑːnəˈmɛtrɪk/
relating to the precise measurement of time or to chronometers and other accurate timekeeping instruments
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precocity
C2
/prɪˈkɑsəti/
unusually early development of intelligence, talent, or maturity
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capitation
C2
/kapɪˈteɪʃən/
A system of remuneration for providers of health care, in which providers enroll patients as permanent clients and receive a fixed (and capped) periodic payment for each enrollee (i.e., per capita).
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toper
C2
/ˈtoʊ.pɚ/
dated: a person who drinks alcohol heavily or habitually
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unshaped
C2
/ʌnˈʃeɪpt/
incompletely or imperfectly shaped
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raffish
C2
/ˈɹæfɪʃ/
marked by a carefree unconventionality or disreputableness
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veracious
C2
/vəˈɹeɪ.ʃəs/
precisely accurate
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dicer
C2
/ˈdaɪsɚ/
a person who gambles with dice
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luminiferous
C2
/ˌluːmɪˈnɪfərəs/
producing or transmitting light; luminous.
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perambulate
C2
/pɚˈæmbjəˌleɪt/
formal or humorous: to walk about, stroll, or travel through a place
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ovipositor
C2
/oʊvɪˈpɑzɪtɚ/
a tubular or blade-like organ used by a female insect or certain other animals to place or lay eggs
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unstinting
C2
/ˌʌnˈstɪntɪŋ/
Generous and tireless with one's contributions of money, time, etc.
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