bloom of youth vs bloom

bloom of youth and bloom both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloom of youth	Yes	No	No	No
bloom	Yes	No	Yes	No

As nouns, bloom of youth and bloom are synonyms defined as:

Other synonyms of bloom of youth include salad days.

bloom of youth (noun)	bloom (noun)
the best time of youth	a powdery deposit on a surface
	reproductive organ of angiosperm plants especially one having showy or colorful parts
	the organic process of bearing flowers
	a rosy color (especially in the cheeks) taken as a sign of good health
	the best time of youth
	the period of greatest prosperity or productivity

bloom of youth (verb)	bloom (verb)
	produce or yield flowers