acclaim vs commendation

acclaim and commendation both are nouns.

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

As nouns, commendation is a hypernym of acclaim; that is, commendation is a word with a broader meaning than acclaim:

Other hypernyms of acclaim include approval.

acclaim (noun)	commendation (noun)
enthusiastic approval	an official award (as for bravery or service) usually given as formal public statement
	a message expressing a favorable opinion

acclaim (verb)	commendation (verb)
praise vociferously
clap one's hands or shout after performances to indicate approval