belabor vs pick apart

belabor and pick apart both are verbs.

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

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

belabor: attack verbally with harsh criticism
pick apart: find fault with; express criticism of; point out real or perceived flaws

Other hypernyms of belabor include criticise, criticize, knock.

belabor (verb)	pick apart (verb)
attack verbally with harsh criticism	find fault with; express criticism of; point out real or perceived flaws
beat soundly
to work at or to absurd length