fixture vs fixity

fixture and fixity both are nouns.

Word	Noun	Adjective	Verb	Adverb
fixture	Yes	No	No	No
fixity	Yes	No	No	No

As nouns, fixture and fixity are synonyms defined as:

fixture and fixity: the quality of being fixed in place as by some firm attachment

Other synonyms of fixture include fastness, fixedness, secureness.

fixture (noun)	fixity (noun)
the act of putting something in working order again	the quality of being fixed in place as by some firm attachment
an object firmly fixed in place (especially in a household)	the quality of being incapable of mutation
the quality of being fixed in place as by some firm attachment
a regular patron