course vs aliment

course and aliment both are nouns.

Word	Noun	Adjective	Verb	Adverb
course	Yes	No	Yes	Yes
aliment	Yes	No	Yes	No

As nouns, aliment is a hypernym of course; that is, aliment is a word with a broader meaning than course:

Other hypernyms of course include alimentation, nourishment, nutriment, nutrition, sustenance, victuals.

course (noun)	aliment (noun)
a mode of action	a source of materials to nourish the body
education imparted in a series of lessons or meetings
facility consisting of a circumscribed area of land or water laid out for a sport
(construction) a layer of masonry
part of a meal served at one time
a connected series of events or actions or developments
a body of students who are taught together
general line of orientation
a line or route along which something travels or moves

course (adverb)	aliment (adverb)
as might be expected