The best replacement for drought is draught.

The best alternatives to drought are rated as following:
★★★★★  draught
★★★  drouth
★★  flood
★★  drizzle
★★  flash fire
★★  dry spell
★  famine
★  stout
★  sunny day
★  floods
★  2012 drought
★  tough claws
★  dust bowl
  drought
  flooding

Your alternative for drought is not listed? Suggest!
Speaking about drought, one probably shouldn't forget about heat rock.

Other search terms related to drought and their ratings are:
★★★★★ heat rock
You have in mind a companion for drought and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of drought in all years. Click on graph for more.
drought
draught
drouth