blame vs pick apart

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

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

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

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

Other hypernyms of blame include criticise, criticize, knock.

blame (noun)	pick apart (noun)
a reproach for some lapse or misdeed
an accusation that you are responsible for some lapse or misdeed

blame (adjective)	pick apart (adjective)
expletives used informally as intensifiers

blame (verb)	pick apart (verb)
attribute responsibility to	find fault with; express criticism of; point out real or perceived flaws
put or pin the blame on
harass with constant criticism