飢える【うえる】
to starve, to be famished, to be hungry, to be starved of (e.g. love), to be thirsty for (e.g. knowledge), to be hungry for
飢餓【きが】
starvation, famine, hunger
飢饉【ききん】
famine, crop failure, chronic shortage (e.g. of water)
飢え【うえ】
hunger, starvation