lashing vs fixing

lashing and fixing both are nouns.

Word	Noun	Adjective	Verb	Adverb
lashing	Yes	Yes	No	No
fixing	Yes	No	No	No

As nouns, fixing is a hypernym of lashing; that is, fixing is a word with a broader meaning than lashing:

Other hypernyms of lashing include fastener, fastening, holdfast, rope.

lashing (noun)	fixing (noun)
beating with a whip or strap or rope as a form of punishment	the act of putting something in working order again
rope that is used for fastening something to something else	the sterilization of an animal
	(histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body
	restraint that attaches to something or holds something in place

lashing (adjective)	fixing (adjective)
violently urging on by whipping or flogging