squeaking vs squealing

squeaking and squealing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
squeaking	No	Yes	No	No
squealing	No	Yes	No	No

As adjectives, squeaking and squealing are synonyms defined as:

squeaking and squealing: having or making a high-pitched sound such as that made by a mouse or a rusty hinge

Other synonyms of squeaking include screaky, screechy, squeaky.

squeaking (adjective)	squealing (adjective)
having or making a high-pitched sound such as that made by a mouse or a rusty hinge	having or making a high-pitched sound such as that made by a mouse or a rusty hinge