squeak vs squeaker

squeak and squeaker both are nouns.

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

As nouns, squeak and squeaker are synonyms defined as:

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

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

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