flower vs efflorescence

flower and efflorescence both are nouns.

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

As nouns, flower and efflorescence are synonyms defined as:

flower and efflorescence: the period of greatest prosperity or productivity

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

flower (noun)	efflorescence (noun)
a plant cultivated for its blooms or blossoms	a powdery deposit on a surface
reproductive organ of angiosperm plants especially one having showy or colorful parts	the time and process of budding and unfolding of blossoms
the period of greatest prosperity or productivity	any red eruption of the skin
	the period of greatest prosperity or productivity

flower (verb)	efflorescence (verb)
produce or yield flowers