fixedness vs secureness

fixedness and secureness both are nouns.

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

As nouns, fixedness and secureness are synonyms defined as:

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

Other synonyms of fixedness include fastness, fixity, fixture.

fixedness (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 fixed and unchangeable	the state of freedom from fear or danger
remaining in place