get wise vs get onto

get wise and get onto both are verbs.

Word	Noun	Adjective	Verb	Adverb
get wise	No	No	Yes	No
get onto	No	No	Yes	No

As verbs, get wise and get onto are synonyms defined as:

get wise and get onto: understand, usually after some initial difficulty

Other synonyms of get wise include catch on, cotton on, get it, latch on, tumble, twig.

get wise (verb)	get onto (verb)
understand, usually after some initial difficulty	understand, usually after some initial difficulty