floret vs blossom

floret and blossom both are nouns.

Word	Noun	Adjective	Verb	Adverb
floret	Yes	No	No	No
blossom	Yes	No	Yes	No

As nouns, blossom is a hypernym of floret; that is, blossom is a word with a broader meaning than floret:

floret: a diminutive flower (especially one that is part of a composite flower)
blossom: reproductive organ of angiosperm plants especially one having showy or colorful parts

Other hypernyms of floret include bloom, flower.

floret (noun)	blossom (noun)
a diminutive flower (especially one that is part of a composite flower)	reproductive organ of angiosperm plants especially one having showy or colorful parts
	the period of greatest prosperity or productivity

floret (verb)	blossom (verb)
	develop or come to a promising stage
	produce or yield flowers