subjugate vs quash

subjugate and quash both are verbs.

Word	Noun	Adjective	Verb	Adverb
subjugate	No	No	Yes	No
quash	No	No	Yes	No

As verbs, subjugate and quash are synonyms defined as:

Other synonyms of subjugate include keep down, reduce, repress, subdue.

subjugate (verb)	quash (verb)
make subservient; force to submit or subdue	put down by force or intimidation
put down by force or intimidation	declare invalid