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*dʰeh₁- Proto-Indo-European
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Words from this root (81)

do A1
/də/ To carry out or perform an action or task. M S
family A1
/ˈfæ.m(ə )li/ A group of people who are related, especially parents and their children. M S
fact A2
/fækt/ A piece of information that is true and can be proven. M S
perfect A2
/ˈpɝ.fɪkt/ Having no faults or mistakes; as good as it can possibly be. M S
fan A2
/fæn/ Someone who admires and strongly supports a person, team, or activity. M S
familiar A2
/fəˈmɪl.jɚ/ Easy to recognize because you have seen, heard, or known it before. M S
affair A2
/əˈfɛɹ/ A secret romantic or sexual relationship, usually involving someone who is married. M S
effect A2
/əˈfɛkt/ A change or result produced by an action or cause. M S
wood A2
/wʉd/ The hard material that trees are made of, used for building and making things. M S
factory A2
/ˈfæk.tɚ.i/ A building where goods are made, usually using machines. M S
theme B1
/θiːm/ The main subject or idea of a book, film, talk, or piece of art. M S
sacrifice C1
/ˈsæk.ɹɪˌfaɪs/ The act of giving up something valuable for the sake of something more important. M S
fashion A2
/ˈfæʃən/ The popular styles of clothing at a particular time, and the industry that creates them. M S
festival A1
/ˈfɛstəv(ə)l/ A series of special events celebrating something, such as music, film, or culture. M S
benefit B1
/ˈbɛn.ə.fɪt/ A good or helpful effect that something has; an advantage. M S
facility B1
/fəˈsɪlɪti/ A building or place provided for a particular purpose or service. M S
effective B1
/ɪˈfɛktɪv/ Working well and producing the result you want. M S
feast B1
/fiːst/ A large, special meal, often to celebrate something. M S
significant A2
/sɪɡˈnɪf.ə.kənt/ Large or important enough to have a noticeable effect. M S
infection B1
/ɪnˈfɛkʃən/ An illness caused by harmful germs entering the body. M S
affection B1
/əˈfɛk.ʃən/ A gentle feeling of fondness, liking, or love for someone. M S
deed B1
/diːd/ Something that is done; an action. M S
factor A2
/ˈfæk.tɚ/ One of the things that influences or helps cause a result. M S
custom A2
/ˈkʌstəm/ A traditional way of behaving or doing something that is common to a group or society. M S
feature A2
/ˈfi.t͡ʃɚ/ An important or noticeable part or quality of something. M S
divide A2
/dɪˈvaɪd/ To separate something into two or more parts. M S
efficient B1
/ɪˈfɪʃənt/ Working well without wasting time, effort, or money. M S
artificial A2
/ˌɑːr.təˈfɪʃ.l̩/ Made by people rather than occurring in nature. M S
justify B2
/ˈd͡ʒʌstɪfaɪ/ To give a good reason for something so that it seems acceptable. M S
sufficient B1
/səˈfɪʃənt/ As much as is needed; enough. M S
doom B2
/duːm/ A terrible fate, especially death or destruction, that seems impossible to avoid. M S
thesis B2
/ˈθisɪs/ A long piece of writing based on research, especially for a university degree. M S
significance B1
/səgˈnɪfɪkəns/ The importance or value of something. M S
synthetic C1
/sɪnˈθɛtɪk/ Made artificially by chemical processes rather than coming from nature. M S
defect C1
/ˈdiːfɛkt/ A fault or flaw that makes something imperfect or not work properly. M S
ethical C1
/ˈɛθɪkəl/ Morally right; following accepted principles of good behaviour. M S
hypothesis C2
[haɪˈpʰɑθəsɪs] An idea put forward to explain something, which can then be tested. M S
suffice C1
/ˈsʌ.fɪs/ to be enough for a particular purpose M S
forfeit C1
/ˈfɔɹ.fɪt/ To lose or give up something as a penalty for a mistake or wrongdoing. M S
artifact C2
/ˈɑɹtɪfækt/ An object made by people, especially an old or historically interesting one M S
ethnic B2
/ˈɛθ.nɪk/ Relating to a group of people who share the same race, culture, language, or national background. M S
festive B1
/ˈfɛstɪv/ Cheerful and full of fun, as at a holiday or celebration. M S
prefect B2
/ˈpɹiːfɛkt/ An older school pupil given authority over other students. M S
beneficial B2
/ˌbɛnəˈfɪʃəl/ Helpful and good for someone or something. M S
faction C1
/ˈfæk.ʃən/ A small group within a larger organization whose opinions differ from the rest. M S
deficit C1
/ˈdɛfəsɪt/ The amount by which spending is greater than the money coming in. M S
justification C1
/ˌd͡ʒɐstɪfɪˈkæɪʃən/ A good reason or explanation that makes an action or belief seem acceptable. M S
modify B1
/ˈmɑ.dɪˌfaɪ/ To change something slightly, especially to improve it. M S
ethic B2
/ˈɛθ.ɪk/ A set of beliefs about what is right and wrong that guides a person or group. M S
deem B2
/dim/ To consider or judge something to be a certain way. M S
simplify B1
/ˈsɪmplɪfaɪ/ To make something easier to do or understand. M S
modification B2
/ˌmɑdɪfɪˈkeɪʃən/ A change made to something to improve it or make it more suitable. M S
signify B2
/ˈsɪɡnɪfaɪ/ To mean or be a sign of something. M S
certify B2
/ˈsɝ.tɪ.faɪ/ To state officially that something has met a required standard. M S
deficient C2
/dɪˈfɪʃənt/ Not having enough of something that is needed. M S
edifice C2
/ˈɛdəfəs/ A building, especially a large and impressive one. M S
ethos C2
/ˈiθɑs/ The set of values, beliefs, and character that define a person, group, or culture. M S
artifice C2
/ˈɑː(ɹ)tɪfɪs/ Clever but dishonest behaviour used to trick or deceive someone. M S
condiment C2
/ˈkɑn.də.mənt/ a preparation (a sauce or relish or spice) to enhance flavor or enjoyment M S
liquefy C2
/ˈlɪ.kwɪ.faɪ/ make (a solid substance) liquid, as by heating M S
antithesis C2
/ænˈtɪθ.ɪ.sɪs/ The exact opposite of something. M S
edification C2
/ˌɛdɪfɪˈkeɪʃən/ The act of improving someone morally, intellectually, or spiritually. M S
confection C2
/kənˈfɛkʃən/ A sweet food such as a cake, candy, or pastry, often elaborately decorated. M S
simplification B2
/ˌsɪm.plə.fəˈkeɪ.ʃən/ The act of making something easier to do or understand. M S
edify C2
/ˈɛdɪfaɪ/ To improve someone morally or intellectually through teaching. M S
doer C2+
/ˈduər/ a person who acts rather than merely talks or thinks M S
doings C2+
/ˈduɪŋz/ activities or events, especially of a notable or social kind M S
feminine C2+
/ˈfɛmənɪn/ having qualities traditionally associated with women M S
abscond C2+
/əbˈskɑnd/ to depart secretly and hurriedly, especially to avoid arrest or with stolen funds M S
discomfit C2+
/dɪsˈkʌmfɪt/ to make uneasy or embarrassed; to thwart or defeat M S
doomsman C2+
/ˈdumzmən/ archaic term for a judge or one who pronounces sentence M S
fordo C2+
/fɔrˈdu/ to destroy, undo, or exhaust utterly M S
artefact C2+
/ˈɑrtəˌfækt/ an object made by a human, especially one of historical interest M S
deface C2+
/dɪˈfeɪs/ to spoil the surface or appearance of M S
defeature C2+
/dɪˈfitʃər/ defeat or undoing; disfigurement (archaic) M S
difficultness C2+
/ˈdɪfɪkəltnɪs/ the quality of being difficult or troublesome M S
disaffect C2+
/ˌdɪsəˈfɛkt/ to make discontented or disloyal M S
doable C2+
/ˈduəbəl/ able to be done; feasible M S
doomsday C2+
/ˈdumzdeɪ/ the day of the Last Judgment; a time of catastrophe M S
indeedy C2+
/ɪnˈdidi/ indeed (a colloquial, emphatic, often jocular intensifier) M S
manufactory C2+
/ˌmænjəˈfæktəri/ a factory; an archaic term for a place where goods are made M S

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