thanks vs curtain call

thanks and curtain call both are nouns.

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

As nouns, curtain call is a hyponym of thanks; that is, curtain call is a word with a more specific, narrower meaning than thanks:

thanks: an acknowledgment of appreciation
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

Other hyponyms of thanks include appreciation, thank you, bow.

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