precipitation (n.)
- abruptness
- alacrity
- alluvion
- alluvium
- ash
- carelessness
- celerity
- cinder
- clinker
- deposit
- deposition
- dispatch
- downcast
- downpour
- dregs
- drizzle
- dross
- ember
- expedition
- expeditiousness
- fall
- fastness
- feces
- feverishness
- flight
- flit
- flurry
- forwardness
- froth
- furiousness
- grounds
- hail
- haste
- hastiness
- heedlessness
- hurriedness
- hurry
- impatience
- impetuosity
- impetuousness
- impulse
- impulsiveness
- instantaneousness
- lees
- loess
- mist
- mizzle
- moisture
- moraine
- overthrow
- overturn
- patter
- pitter-patter
- precipitance
- precipitancy
- precipitate
- precipitateness
- precipitousness
- precociousness
- precocity
- prematureness
- prematurity
- promptitude
- promptness
- quickness
- rain
- raindrop
- rainfall
- rainwater
- rapidity
- rashness
- recklessness
- rpm
- rush
- scoria
- scum
- sediment
- sedimentation
- settlings
- shower
- silt
- slag
- sleet
- smut
- snow
- snowfall
- soot
- speed
- speediness
- splatter
- sprinkle
- sublimate
- suddenness
- swiftness
- untimeliness
- velocity
- wantonness
- wet
- wildness