squeaker vs squeak

squeaker and squeak both are nouns.

Word	Noun	Adjective	Verb	Adverb
squeaker	Yes	No	No	No
squeak	Yes	No	Yes	No

As nouns, squeaker and squeak are synonyms defined as:

Other synonyms of squeaker include close call, close shave, narrow escape.

squeaker (noun)	squeak (noun)
something achieved (or escaped) by a narrow margin	something achieved (or escaped) by a narrow margin
any artifact that makes a squeaking sound when used	a short high-pitched noise

squeaker (verb)	squeak (verb)
	make a high-pitched, screeching noise