ill humor vs mood

ill humor and mood both are nouns.

Word	Noun	Adjective	Verb	Adverb
ill humor	Yes	No	No	No
mood	Yes	No	No	No

As nouns, mood is a hypernym of ill humor; that is, mood is a word with a broader meaning than ill humor:

Other hypernyms of ill humor include humor, humour, temper.

ill humor (noun)	mood (noun)
an angry and disagreeable mood	a characteristic (habitual or relatively temporary) state of feeling
	verb inflections that express how the action or state is conceived by the speaker
	the prevailing psychological state