applaud vs acclaim

applaud is not a noun while acclaim is a noun.

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

As verbs, acclaim is a hyponym of applaud; that is, acclaim is a word with a more specific, narrower meaning than applaud:

Other hyponyms of applaud include cheer, hail, herald.

As verbs, applaud and acclaim are synonyms defined as:

applaud and acclaim: clap one's hands or shout after performances to indicate approval

Other synonyms of applaud include clap, spat.

applaud (noun)	acclaim (noun)
	enthusiastic approval

applaud (verb)	acclaim (verb)
express that something is worthy of praise	praise vociferously
clap one's hands or shout after performances to indicate approval	clap one's hands or shout after performances to indicate approval