sidle up vs shine up

sidle up and shine up both are verbs.

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

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

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

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

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