efflorescence vs time period

efflorescence and time period both are nouns.

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

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

Other hypernyms of efflorescence include period, period of time.

efflorescence (noun)	time period (noun)
a powdery deposit on a surface	an amount of time
the time and process of budding and unfolding of blossoms
any red eruption of the skin
the period of greatest prosperity or productivity