discharge
ejection
emission
expulsion
activity
bodily function
bodily process
body process
catamenia
ejaculation
elimination
evacuation
excreting
excretion
flow
menses
menstruation
menstruum
period
voiding
Schelling
belling
bestselling
compelling
dispelling
dwelling
excelling
fehling
felling
foretelling
meling
melling
misspelling
outselling
propelling
quelling
rappelling
rebelling
repelling
reselling
retelling
selling
shelling
smelling
spelling
swelling
telling
welling
yelling