close call vs squeaker

close call and squeaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
close call	Yes	No	No	No
squeaker	Yes	No	No	No

As nouns, close call and squeaker are synonyms defined as:

close call and squeaker: something achieved (or escaped) by a narrow margin

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

close call (noun)	squeaker (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