moot vs discuss

moot is a noun but discuss is not a noun.

Word	Noun	Adjective	Verb	Adverb
moot	Yes	Yes	Yes	No
discuss	No	No	Yes	No

As verbs, discuss is a hypernym of moot; that is, discuss is a word with a broader meaning than moot:

moot: think about carefully; weigh
discuss: speak with others about (something); talk (something) over in detail; have a discussion

Other hypernyms of moot include hash out, talk over.

moot (noun)	discuss (noun)
a hypothetical case that law students argue as an exercise

moot (adjective)	discuss (adjective)
open to argument or debate
of no legal significance (as having been previously decided)

moot (verb)	discuss (verb)
think about carefully; weigh	speak with others about (something); talk (something) over in detail; have a discussion
	to consider or examine in speech or writing