appraise vs praise

appraise is not a noun while praise is a noun.

Word	Noun	Adjective	Verb	Adverb
appraise	No	No	Yes	No
praise	Yes	No	Yes	No

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

appraise: evaluate or estimate the nature, quality, ability, extent, or significance of
praise: express approval of

Other hyponyms of appraise include grade, mark, score, rate, value, standardise, standardize, reassess, reevaluate, censor.

appraise (noun)	praise (noun)
	an expression of approval and commendation
	offering words of homage as an act of worship

appraise (verb)	praise (verb)
consider in a comprehensive way	express approval of
evaluate or estimate the nature, quality, ability, extent, or significance of