conveniency
WC
accommodate
accommodation
adaptability
advantage
advantageousness
advisability
amenity
appliance
appropriateness
appurtenance
auspiciousness
avail
backhouse
basement
bathroom
behalf
behoof
beneficialness
benefit
can
chargedness
closet
comfort
comfort station
commodiousness
coziness
crapper
criticality
crucialness
cushioniness
decency
desirability
drive
ductility
earth closet
ease
easiness
engine
enginery
expedience
expediency
facility
favor
favorableness
feasibility
felicitousness
comfortableness
convene
convenient
convent
convention
amusement
efficiency
elegance
improvement
kindness
luxury
necessity
prosperity
prudence
safety
utility
welfare
inconvenience