calamity

As nouns the difference between crisis and calamity

is that crisis is a crucial or decisive point or situation; a turning point while calamity is an event resulting in great loss.

As nouns the difference between calamity and diaster

is that calamity is an event resulting in great loss while diaster is (biology) a double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei.

As nouns the difference between calamity and armth

is that calamity is an event resulting in great loss while armth is poverty; want; wretchedness; misery; calamity.

As nouns the difference between calamity and wanchance

is that calamity is an event resulting in great loss while wanchance is ill luck; misfortune; calamity.