shine up vs cozy up

shine up and cozy up both are verbs.

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

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

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

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

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