sustenance vs comforts

sustenance and comforts both are nouns.

Word	Noun	Adjective	Verb	Adverb
sustenance	Yes	No	No	No
comforts	Yes	No	No	No

As nouns, comforts is a hyponym of sustenance; that is, comforts is a word with a more specific, narrower meaning than sustenance:

Other hyponyms of sustenance include amenities, conveniences, creature comforts, maintenance, meal ticket, subsistence.

sustenance (noun)	comforts (noun)
the act of sustaining life by food or providing a means of subsistence	things that make you comfortable and at ease
a source of materials to nourish the body
the financial means whereby one lives