sustenance

As an adjective alimentary

is of, or relating to food, nutrition or digestion.

As a noun sustenance is

something that provides support or nourishment.

Help is a related term of sustenance.

As nouns the difference between help and sustenance

is that help is (uncountable) action given to provide assistance; aid while sustenance is something that provides support or nourishment.

As a verb help

is to provide assistance to (someone or something).

Sustenance is a related term of stores.

As nouns the difference between sustenance and stores

is that sustenance is something that provides support or nourishment while stores is .

As nouns the difference between countenance and sustenance

is that countenance is appearance, especially the features and expression of the face while sustenance is something that provides support or nourishment.

As a verb countenance

is to tolerate, support, sanction, patronise or approve of something.

Encouragement is a related term of sustenance.

As nouns the difference between encouragement and sustenance

is that encouragement is the act of encouraging; incitement to action or to practice; as, the encouragement of youth in generosity while sustenance is something that provides support or nourishment.

Patronage is a related term of sustenance.

As nouns the difference between patronage and sustenance

is that patronage is patronage while sustenance is something that provides support or nourishment.

Assistance is a related term of sustenance.

As nouns the difference between assistance and sustenance

is that assistance is aid; help; the act or result of assisting while sustenance is something that provides support or nourishment.

As a noun sustenance

is something that provides support or nourishment.

As a verb subsist is

to survive on a minimum of resources.

As nouns the difference between sustenance and null

is that sustenance is something that provides support or nourishment while null is zero, nil; the cardinal number before einn.

As a noun sustenance

is something that provides support or nourishment.

As an adjective undefined is

lacking a definition or value.