Synonyms for Thirst (same or very similar meaning)
WordNet sense 1 (a physiological need to drink):
thirstinessWordNet sense 2 (strong desire for something (not food or drink)):
hunger, hungrinessWordNet sense 3 (have a craving, appetite, or great desire for):
crave, lust, starveFrom the ODE community, based on WordNetadd/edit