get a line vs wise up

get a line and wise up both are verbs.

Word	Noun	Adjective	Verb	Adverb
get a line	No	No	Yes	No
wise up	No	No	Yes	No

As verbs, wise up is a hyponym of get a line; that is, wise up is a word with a more specific, narrower meaning than get a line:

Other hyponyms of get a line include get the goods, catch, trip up, ascertain.

get a line (verb)	wise up (verb)
get to know or become aware of, usually accidentally	get wise to
	cause someone to become aware of something