thanks vs appreciation

thanks and appreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
thanks	Yes	No	No	No
appreciation	Yes	No	No	No

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

Other hyponyms of thanks include thank you, bow, curtain call.

thanks (noun)	appreciation (noun)
with the help of or owing to	a favorable judgment
an acknowledgment of appreciation	an increase in price or value
	understanding of the nature or meaning or quality or magnitude of something
	delicate discrimination (especially of esthetic values)
	an expression of gratitude