screak vs squeak

screak is not a noun while squeak is a noun.

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

As verbs, screak and squeak are synonyms defined as:

Other synonyms of screak include creak, screech, skreak, whine.

screak (noun)	squeak (noun)
	something achieved (or escaped) by a narrow margin
	a short high-pitched noise

screak (verb)	squeak (verb)
utter a harsh abrupt scream	make a high-pitched, screeching noise
make a high-pitched, screeching noise