hunger

nouns

a physiological need for food; the consequence of food deprivation
hunger, hungriness
is derived from
hungry
strong desire for something (not food or drink)
"a thirst for knowledge"; "hunger for affection"
hunger, hungriness, thirst, thirstiness
is derived from
hungry

verbs

feel the need to eat
hunger
is a type of (narrower)
be the source of pain
ache, hurt, smart
have a craving, appetite, or great desire for
crave, hunger, lust, starve, thirst
be hungry; go without food
"Let's eat--I'm starving!"
famish, hunger, starve