commendation vs cheer

commendation and cheer both are nouns.

Word	Noun	Adjective	Verb	Adverb
commendation	Yes	No	No	No
cheer	Yes	No	Yes	No

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

commendation (noun)	cheer (noun)
an official award (as for bravery or service) usually given as formal public statement	the quality of being cheerful and dispelling gloom
a message expressing a favorable opinion	a cry or shout of approval

commendation (verb)	cheer (verb)
	become cheerful
	spur on or encourage especially by cheers and shouts
	show approval or good wishes by shouting
	cause (somebody) to feel happier or more cheerful
	give encouragement to