shine up vs sidle up

shine up and sidle up both are verbs.

Word	Noun	Adjective	Verb	Adverb
shine up	No	No	Yes	No
sidle up	No	No	Yes	No

As verbs, shine up and sidle up are synonyms defined as:

shine up and sidle up: ingratiate oneself to; often with insincere behavior

Other synonyms of shine up include cotton up, cozy up, play up, suck up.

shine up (verb)	sidle up (verb)
ingratiate oneself to; often with insincere behavior	ingratiate oneself to; often with insincere behavior