persuade vs chat up

persuade and chat up both are verbs.

Word	Noun	Adjective	Verb	Adverb
persuade	No	No	Yes	No
chat up	No	No	Yes	No

As verbs, chat up is a hyponym of persuade; that is, chat up is a word with a more specific, narrower meaning than persuade:

persuade: cause somebody to adopt a certain position, belief, or course of action; twist somebody's arm
chat up: talk to someone with the aim of persuading him

persuade (verb)	chat up (verb)
cause somebody to adopt a certain position, belief, or course of action; twist somebody's arm	talk or behave amorously, without serious intentions
win approval or support for	talk to someone with the aim of persuading him