neuter vs sexless

neuter is a noun but sexless is not a noun.

Word	Noun	Adjective	Verb	Adverb
neuter	Yes	Yes	Yes	No
sexless	No	Yes	No	No

As adjectives, neuter and sexless are synonyms defined as:

neuter and sexless: having no or imperfectly developed or nonfunctional sex organs

neuter (noun)	sexless (noun)
a gender that refers chiefly (but not exclusively) to inanimate objects (neither masculine nor feminine)

neuter (adjective)	sexless (adjective)
neither male nor female (of grammatical gender)	sexually unattractive
having no or imperfectly developed or nonfunctional sex organs	having no or imperfectly developed or nonfunctional sex organs
	having no sexual desire

neuter (verb)	sexless (verb)
remove the ovaries of