curtain call vs thanks

curtain call and thanks both are nouns.

Word	Noun	Adjective	Verb	Adverb
curtain call	Yes	No	No	No
thanks	Yes	No	No	No

As nouns, thanks is a hypernym of curtain call; that is, thanks is a word with a broader meaning than curtain call:

curtain call: an appearance by actors or performers at the end of the concert or play in order to acknowledge the applause of the audience
thanks: an acknowledgment of appreciation

curtain call (noun)	thanks (noun)
an appearance by actors or performers at the end of the concert or play in order to acknowledge the applause of the audience	with the help of or owing to
	an acknowledgment of appreciation