scrutinize vs audit

scrutinize is not a noun while audit is a noun.

Word	Noun	Adjective	Verb	Adverb
scrutinize	No	No	Yes	No
audit	Yes	No	Yes	No

As verbs, scrutinize and audit are synonyms defined as:

scrutinize and audit: examine carefully for accuracy with the intent of verification

Other synonyms of scrutinize include inspect, scrutinise.

scrutinize (noun)	audit (noun)
	a methodical examination or review of a condition or situation
	an inspection of the accounting procedures and records by a trained accountant or CPA

scrutinize (verb)	audit (verb)
examine carefully for accuracy with the intent of verification	attend academic courses without getting credit
to look at critically or searchingly, or in minute detail	examine carefully for accuracy with the intent of verification