fixedness vs fixture

fixedness and fixture both are nouns.

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

As nouns, fixedness and fixture are synonyms defined as:

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

Other synonyms of fixedness include fastness, fixity, secureness.

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