+ "ous"
continue
continuous
converse
conversation
forgot
forgotten
run
running
value
valuable
nerve
nervous
reserve
reservation
rot
rotten
swim
swimming
rely
reliable
danger
dangerous
invite
invitation
hid
hidden
jog
jogging
like
likable
humor
humorous
conserve
conservation
forbid
forbidden
wrap
wrapping
flame
flammable
danger
dangerous
inoculate
inoculation
write
written
drum
adore
adorable