squealing vs squeaking

squealing and squeaking both are adjectives.

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

As adjectives, squealing and squeaking are synonyms defined as:

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

Other synonyms of squealing include screaky, screechy, squeaky.

squealing (adjective)	squeaking (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