play up vs suck up

play up and suck up both are verbs.

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

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

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

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

play up (verb)	suck up (verb)
move into the foreground to make more visible or prominent	try to gain favor by cringing or flattering
ingratiate oneself to; often with insincere behavior	take in, also metaphorically
	ingratiate oneself to; often with insincere behavior