golden age vs blossom

golden age and blossom both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden age	Yes	No	No	No
blossom	Yes	No	Yes	No

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

Other hypernyms of golden age include bloom, efflorescence, flower, flush, heyday, peak, prime.

golden age (noun)	blossom (noun)
any period (sometimes imaginary) of great peace and prosperity and happiness	reproductive organ of angiosperm plants especially one having showy or colorful parts
a time period when some activity or skill was at its peak	the period of greatest prosperity or productivity

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