bloom vs time period

bloom and time period both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloom	Yes	No	Yes	No
time period	Yes	No	No	No

As nouns, time period is a hypernym of bloom; that is, time period is a word with a broader meaning than bloom:

Other hypernyms of bloom include period, period of time.

bloom (noun)	time period (noun)
a powdery deposit on a surface	an amount of time
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 (verb)	time period (verb)
produce or yield flowers