cleaning out
douche
douching
elution
elutriation
enema
flush
flushing
flushing out
irrigation
lathering
lavabo
lavage
lavation
laving
mopping
mopping up
rinse
rinsing
scouring
scrub
scrubbing
scrubbing up
shampoo
soaping
sponge
sponging
swabbing
wash
washing
washing up
washout
washup
wiping up
ritual
abluent
ablute
abstersion
bathe
clyster
expurgation
quaffing