find fault vs pick apart

find fault and pick apart both are verbs.

Word	Noun	Adjective	Verb	Adverb
find fault	No	No	Yes	No
pick apart	No	No	Yes	No

As verbs, pick apart is a hypernym of find fault; that is, pick apart is a word with a broader meaning than find fault:

find fault: harass with constant criticism
pick apart: find fault with; express criticism of; point out real or perceived flaws

Other hypernyms of find fault include criticise, criticize, knock.

find fault (verb)	pick apart (verb)
harass with constant criticism	find fault with; express criticism of; point out real or perceived flaws