remark vs pick apart

remark is a noun but pick apart is not a noun.

Word	Noun	Adjective	Verb	Adverb
remark	Yes	No	Yes	No
pick apart	No	No	Yes	No

As verbs, pick apart is a hyponym of remark; that is, pick apart is a word with a more specific, narrower meaning than remark:

remark: make or write a comment on
pick apart: find fault with; express criticism of; point out real or perceived flaws

Other hyponyms of remark include criticise, criticize, knock, wisecrack, kibbitz, kibitz.

remark (noun)	pick apart (noun)
explicit notice
a statement that expresses a personal opinion or belief or adds information

remark (verb)	pick apart (verb)
make mention of	find fault with; express criticism of; point out real or perceived flaws
make or write a comment on