flower vs blossom

flower and blossom both are nouns.

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

As nouns, flower and blossom are synonyms defined as:

flower and blossom: reproductive organ of angiosperm plants especially one having showy or colorful parts

Other synonyms of flower include bloom.

As nouns, flower and blossom are synonyms defined as:

Other synonyms of flower include bloom, efflorescence, flush, heyday, peak, prime.

As verbs, flower and blossom are synonyms defined as:

Other synonyms of flower include bloom.

flower (noun)	blossom (noun)
a plant cultivated for its blooms or blossoms	reproductive organ of angiosperm plants especially one having showy or colorful parts
reproductive organ of angiosperm plants especially one having showy or colorful parts	the period of greatest prosperity or productivity
the period of greatest prosperity or productivity

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