fixity vs secureness

fixity and secureness both are nouns.

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

As nouns, fixity and secureness are synonyms defined as:

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

Other synonyms of fixity include fastness, fixedness, fixture.

fixity (noun)	secureness (noun)
the quality of being fixed in place as by some firm attachment	the quality of being fixed in place as by some firm attachment
the quality of being incapable of mutation	the state of freedom from fear or danger