number A1

/ˈnʌmbər/ an item of merchandise offered for sale

economic B1

/ˌɛkəˈnɑmɪk/ using the minimum of time or resources necessary for effectiveness

numerous B1

/ˈnuməɹəs/ amounting to a large indefinite number

numb C1

/nʌm/ not showing human feeling or sensitivity, when followed by 'to'

economics B1

/ˌɛkəˈnɑmɪks/ Now chiefly home economics: the art or science of household management, especially relating to the appropriate organization of resources; housekeeping.

nomad B2

/ˈnoʊmæd/ A member of a society or class who herd animals from pasture to pasture with no fixed home.

numerical B2

/n(j)uˈmɛɹ.ɪ.kəl/ measured or expressed in numbers