review vs scrutiny

review and scrutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
review	Yes	No	Yes	No
scrutiny	Yes	No	No	No

As nouns, scrutiny is a hypernym of review; that is, scrutiny is a word with a broader meaning than review:

review: a subsequent examination of a patient for the purpose of monitoring earlier treatment
scrutiny: the act of examining something closely (as for mistakes)

Other hypernyms of review include examination.

As nouns, scrutiny is a hypernym of review; that is, scrutiny is a word with a broader meaning than review:

Other hypernyms of review include examination.

review (noun)	scrutiny (noun)
a subsequent examination of a patient for the purpose of monitoring earlier treatment	the act of examining something closely (as for mistakes)
practice intended to polish performance or refresh the memory	a prolonged intense look
a formal or official examination
(law) a judicial reexamination of the proceedings of a court (especially by an appellate court)
a new appraisal or evaluation
a summary at the end that repeats the substance of a longer discussion
an essay or article that gives a critical evaluation (as of a book or play)
a variety show with topical sketches and songs and dancing and comedians
a periodical that publishes critical essays on current affairs or literature or art
(accounting) a service (less exhaustive than an audit) that provides some assurance to interested parties as to the reliability of financial data

review (verb)	scrutiny (verb)
look at again; examine again
look back upon (a period of time, sequence of events); remember
hold a review (of troops)
refresh one's memory
appraise critically