We have put together a list of words that are similar to SUSTENANCE.

30 Alternative Words Similar to sustenance

1 Nutriment Noun      Synonym Words Like Nutriment
2 Nourishment Noun      Synonym Words Like Nourishment
3 Nutrition Noun      Synonym Words Like Nutrition
4 Aliment Noun      Synonym Words Like Aliment
5 Alimentation Noun      Synonym Words Like Alimentation
6 Victuals Noun      Synonym Words Like Victuals
7 Support Noun      Synonym Words Like Support
8 Keep Noun      Synonym Words Like Keep
9 Livelihood Noun      Synonym Words Like Livelihood
10 Living Noun      Synonym Words Like Living
11 Food Noun      Synonym Words Like Food
12 Nutrient Noun      Synonym Words Like Nutrient
13 Resource Noun      Synonym Words Like Resource
14 Subsistence Noun      Synonym Words Like Subsistence
15 Ingesta Noun      Hyponym
16 Goody Noun      Hyponym Words Like Goody
17 Mess Noun      Hyponym Words Like Mess
18 Delicacy Noun      Hyponym Words Like Delicacy
19 Course Noun      Hyponym Words Like Course
20 Purée Noun      Hyponym
21 Stodge Noun      Hyponym
22 Repast Noun      Hyponym Words Like Repast
23 Dainty Noun      Hyponym Words Like Dainty
24 Kickshaw Noun      Hyponym Words Like Kickshaw
25 Vitamin Noun      Hyponym
26 Meal Noun      Hyponym Words Like Meal
27 Treat Noun      Hyponym Words Like Treat
28 Amenities Noun      Hyponym
29 Comforts Noun      Hyponym
30 Conveniences Noun      Hyponym

5 examples of sustenance

1 the sustenance of the body; the sustenance of life
2 the city has ample sustenance
3 he applied to the state for support
4 he could no longer earn his own livelihood
5 fishing was their main sustainment

10 definitions of sustenance

1 The act of sustaining; support; maintenance; subsistence.
2 That which supports life; food; victuals; provisions; means of living.
3 a source of materials to nourish the body
4 the financial means whereby one lives
5 the act of sustaining life by food or providing a means of subsistence
6 The act of sustaining.
7 The condition of being sustained.
8 The supporting of life or health; maintenance: "to deliver in every morning six beeves, forty sheep, and other victuals for my sustenance” ( Jonathan Swift).
9 Something, especially food, that sustains life or health.
10 Means of livelihood.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide