Somnolency :: Somnolency (n.) Sleepiness; drowsiness; inclination to sleep.
Somnolent :: Somnolent (a.) Sleepy; drowsy; inclined to sleep.
Somnolism :: Somnolism (n.) The somnolent state induced by animal magnetism.
Somnour :: Somnour (n.) A summoner; an apparitor; a sompnour.