sidle up vs play up

sidle up and play up both are verbs.

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

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

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

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

sidle up (verb)	play up (verb)
ingratiate oneself to; often with insincere behavior	move into the foreground to make more visible or prominent
	ingratiate oneself to; often with insincere behavior