lodgement vs fixedness

lodgement and fixedness both are nouns.

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

As nouns, fixedness is a hypernym of lodgement; that is, fixedness is a word with a broader meaning than lodgement:

Other hypernyms of lodgement include fastness, fixity, fixture, secureness, allegation.

lodgement (noun)	fixedness (noun)
the state or quality of being lodged or fixed even temporarily	the quality of being fixed in place as by some firm attachment
	the quality of being fixed and unchangeable
	remaining in place