victuals vs sustenance

victuals and sustenance both are nouns.

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

As nouns, victuals and sustenance are synonyms defined as:

Other synonyms of victuals include aliment, alimentation, nourishment, nutriment, nutrition.

victuals (noun)	sustenance (noun)
any substance that can be used as food	the act of sustaining life by food or providing a means of subsistence
a source of materials to nourish the body	a source of materials to nourish the body
a stock or supply of foods	the financial means whereby one lives