golden age vs flower

golden age and flower both are nouns.

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

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

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

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

golden age (verb)	flower (verb)
	produce or yield flowers