squash racquet vs squash racket

squash racquet and squash racket both are nouns.

Word	Noun	Adjective	Verb	Adverb
squash racquet	Yes	No	No	No
squash racket	Yes	No	No	No

As nouns, squash racquet and squash racket are synonyms defined as:

squash racquet and squash racket: a small racket with a long handle used for playing squash

Other synonyms of squash racquet include bat.

squash racquet (noun)	squash racket (noun)
a small racket with a long handle used for playing squash	a small racket with a long handle used for playing squash