critical appraisal vs appraisal

critical appraisal and appraisal both are nouns.

Word	Noun	Adjective	Verb	Adverb
critical appraisal	Yes	No	No	No
appraisal	Yes	No	No	No

As nouns, appraisal is a hypernym of critical appraisal; that is, appraisal is a word with a broader meaning than critical appraisal:

critical appraisal: an appraisal based on careful analytical evaluation
appraisal: the classification of someone or something with respect to its worth

Other hypernyms of critical appraisal include assessment.

critical appraisal (noun)	appraisal (noun)
an appraisal based on careful analytical evaluation	an expert estimation of the quality, quantity, and other characteristics of someone or something
	the classification of someone or something with respect to its worth
	a document appraising the value of something (as for insurance or taxation)