teacake vs cooky

teacake and cooky both are nouns.

Word	Noun	Adjective	Verb	Adverb
teacake	Yes	No	No	No
cooky	Yes	No	No	No

As nouns, cooky is a hypernym of teacake; that is, cooky is a word with a broader meaning than teacake:

Other hypernyms of teacake include biscuit, cookie.

teacake (noun)	cooky (noun)
any of various small cakes or cookies often served with tea	any of various small flat sweet cakes
flat semisweet cookie or biscuit usually served with tea	the cook on a ranch or at a camp