underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
riddle; puzzle; enigma; enigmatic; mysterious
breeding; multiplication; increase; propagation; reproduction
discovery; detection; finding
there (place relatively near listener); there (place just mentioned); that place; then (of some incident just spoken of); that (of point just raised); (arch.) you
body; group; party; gang; troupe; troop
like; similar to; as with; in the same way
to burn down (to the ground); to clear away by burning; to reduce to ashes; to burn off
(what) the heck; (why) in the world; one object; one body; one form; one style