time frame vs time period

time frame and time period both are nouns.

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

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

time frame: a time period during which something occurs or is expected to occur
time period: an amount of time

Other hypernyms of time frame include period, period of time.

time frame (noun)	time period (noun)
a time period during which something occurs or is expected to occur	an amount of time