find fault vs criticize

find fault and criticize both are verbs.

Word	Noun	Adjective	Verb	Adverb
find fault	No	No	Yes	No
criticize	No	No	Yes	No

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

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

Other hypernyms of find fault include criticise, knock, pick apart.

find fault (verb)	criticize (verb)
harass with constant criticism	find fault with; express criticism of; point out real or perceived flaws
	act as a critic