confess vs squeal

confess is not a noun while squeal is a noun.

Word	Noun	Adjective	Verb	Adverb
confess	No	No	Yes	No
squeal	Yes	No	Yes	No

As verbs, confess and squeal are synonyms defined as:

confess and squeal: confess to a punishable or reprehensible deed, usually under pressure

Other synonyms of confess include fink.

confess (noun)	squeal (noun)
	a high-pitched howl

confess (verb)	squeal (verb)
confess to a punishable or reprehensible deed, usually under pressure	confess to a punishable or reprehensible deed, usually under pressure
admit (to a wrongdoing)	utter a high-pitched cry, characteristic of pigs
confess to God in the presence of a priest, as in the Catholic faith