The term 'drought ender' refers to something that brings an end to a period of drought. In this case, the crossword solutions for the term are RAIN (4 letters) and DELUGE (6 letters). RAIN is a form of precipitation that falls from the sky in the form of water droplets, while a DELUGE is an extremely heavy rainfall. Both RAIN and DELUGE can bring an end to a period of drought, making them suitable solutions for the term 'drought ender'.