squeak vs skreak

squeak is a noun but skreak is not a noun.

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

As verbs, squeak and skreak are synonyms defined as:

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

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

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