nosegay vs posy

nosegay and posy both are nouns.

Word	Noun	Adjective	Verb	Adverb
nosegay	Yes	No	No	No
posy	Yes	No	No	No

As nouns, nosegay and posy are synonyms defined as:

nosegay and posy: an arrangement of flowers that is usually given as a present

Other synonyms of nosegay include bouquet, corsage.

nosegay (noun)	posy (noun)
an arrangement of flowers that is usually given as a present	an arrangement of flowers that is usually given as a present