abstract
background
bit
black
blow
breath
breeze
dark
dot
dredge
dust
fall of snow
flake of snow
flow
fraction
fug
galaxy
hail
mote
mottle
night
particle
plankton
pour
powder
rain
run
scatter
scurry
shower
sky
snow
snowfall
snowflake
space
speck
speckle
spot
sprinkle
spritz
stars
storm
stream
texture
textured
waft
wash
whiff
white
wind