flesh out vs put on

flesh out is not an adjective while put on is an adjective.

Word	Noun	Adjective	Verb	Adverb
flesh out	No	No	Yes	No
put on	No	Yes	Yes	No

As verbs, put on is a hypernym of flesh out; that is, put on is a word with a broader meaning than flesh out:

Other hypernyms of flesh out include gain.

flesh out (adjective)	put on (adjective)
	adopted in order to deceive

flesh out (verb)	put on (verb)
become round, plump, or shapely	put clothing on one's body
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing	increase (one's body weight)
make fat or plump	add to something existing
	add to the odometer
	fool or hoax
	coat, cover or smear a surface with
	prepare and supply with the necessary equipment for execution or performance
	carry out (performances)
	put on the stove or ready for cooking