bloom vs golden age

bloom and golden age both are nouns.

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

As nouns, golden age is a hyponym of bloom; that is, golden age is a word with a more specific, narrower meaning than bloom:

bloom (noun)	golden age (noun)
a powdery deposit on a surface	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 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 (verb)	golden age (verb)
produce or yield flowers