Acheron :: Acheron (n.) A river in the Nether World or infernal regions; also, the infernal regions themselves. By some of the English poets it was supposed to be a flaming lake or gulf..
Acherontic :: Acherontic (a.) Of or pertaining to Acheron; infernal; hence, dismal, gloomy; moribund..
Heron :: Heron (n.) Any wading bird of the genus Ardea and allied genera, of the family Ardeidae. The herons have a long, sharp bill, and long legs and toes, with the claw of the middle toe toothed. The common European heron (Ardea cinerea) is remarkable for its directly ascending flight, and was formerly hunted with the larger falcons..
Heroner :: Heroner (n.) A hawk used in hunting the heron.
Heronry :: Heronry (n.) A place where herons breed.