Difference between Charnel House and Fathomless

CHARNEL HOUSE vs FATHOMLESS: NOUN

A vault or other building in which the bones of the dead are stored
A place, usually under or near a church, where the bones of the dead are deposited; formerly, and still in parts of Brittany, a kind of portico or gallery, in or near a churchyard, over which the bones of the dead were laid after the flesh was consumed.
A scene or place of great physical suffering and loss of life.
A building, room, or vault in which the bones or bodies of the dead are placed; a charnel.
A vault or building where corpses or bones are deposited

Moldering, Corpses, Detritus, Ghastly, Pigpen, Soulless, Hellhole, Wasteland, Hovel, Rubbish heap, Catacomb, Cesspool, Graveyard, Fetid, Charnel

Lightless, Supernal, Wondrous, Unutterable, Unspeakable, Inexpressible, Infinite, Abyssal, Stygian, Unfathomed, Measureless, Illimitable, Deep, Unfathomable, Bottomless

Flyblown, Squalid, Moldering, Corpses, Detritus, Ghastly, Soulless, Wasteland, Hovel, Rubbish heap, Catacomb, Cesspool, Graveyard, Fetid, Charnel

Lightless, Supernal, Wondrous, Unutterable, Unspeakable, Inexpressible, Infinite, Abyssal, Stygian, Unfathomed, Measureless, Illimitable, Deep, Unfathomable, Bottomless

Assisted by a young German surgeon named Singer and an elderly retired surgeon named Gallaudet, we the students were initiated into the charnel house.
Several of the planting crew had lost their meager lunches in the charnel house, so Sam sent them outside to dig the grave.
So it was that Vesta found herself the sole living person in the palace that had become a charnel house.
Cementerio de Santa Maria Magdalena de Pazzis, main avenue of old section, to the left Charnel House, camera facing west.
In the very charnel house is the nursery of production and animation.
This place was a frightening charnel house where there were many bones, skulls and human hair.
Now it asks whether something worthwhile can be built atop that charnel house.

That happiness was particularly precious to a man who also experienced the fathomless miseries of depression.
Kessel and forced to work in the fathomless depths of a spice mine.
If the Pope remembered our encounter, his rage might well be fathomless.
Sweep over my spirit forever, I pray, In fathomless billows of love!
After inflicting fathomless evil on the society he conveniently found scapegoats.
Even the pain has no edge, for it is fathomless.
How fathomless are the depths of eternal wisdom!
But ours is fathomless, and hath no shore.
Obeys thee; thou goest forth, dread, fathomless, alone.
Fathomless narrowed perilously stench spines husbandman pogo bouquets.