disposal vs comb-out

disposal and comb-out both are nouns.

Word	Noun	Adjective	Verb	Adverb
disposal	Yes	No	No	No
comb-out	Yes	No	No	No

As nouns, comb-out is a hyponym of disposal; that is, comb-out is a word with a more specific, narrower meaning than disposal:

Other hyponyms of disposal include appointment, giving, abandonment, mine disposal, sewage disposal, lending, loaning.

disposal (noun)	comb-out (noun)
the act or means of getting rid of something	the act of removing tangles from you hair with a comb
a method of tending to or managing the affairs of some group of people (especially the group's business affairs)	the act of carefully weeding out unwanted things or people
a kitchen appliance for disposing of garbage
the power to use something or someone