lash out vs pick apart

lash out and pick apart both are verbs.

Word	Noun	Adjective	Verb	Adverb
lash out	No	No	Yes	No
pick apart	No	No	Yes	No

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

lash out: attack in speech or writing
pick apart: find fault with; express criticism of; point out real or perceived flaws

Other hypernyms of lash out include criticise, criticize, knock.

lash out (verb)	pick apart (verb)
attack in speech or writing	find fault with; express criticism of; point out real or perceived flaws