Following are all the oubliettes like words, in the list below.
CATACOMBS
100% like oubliettes
SOUTERRAIN
100% like oubliettes
SEPULCHRES
99.99% like oubliettes
OBSCURITY
99.99% like oubliettes
CATACOMB
99.98% like oubliettes
ENTOMBMENT
99.98% like oubliettes
OBSCURATION
99.98% like oubliettes
IMMUREMENT
99.97% like oubliettes
CLOSETING
99.97% like oubliettes
BOLT HOLE
99.96% like oubliettes
ABYSSES
99.96% like oubliettes
CLAUSTRAL
99.96% like oubliettes
ECRASEMENT
99.95% like oubliettes
CELLARAGE
99.95% like oubliettes
TOMBS
99.94% like oubliettes
OBTUNDATION
99.94% like oubliettes
ENTOMBED
99.94% like oubliettes
OBLIVION
99.93% like oubliettes
HIDING PLACE
99.93% like oubliettes
CUBBYHOLE
99.92% like oubliettes
LABYRINTHS
99.92% like oubliettes
UNMENTIONABLES
99.92% like oubliettes
IMMURE
99.91% like oubliettes
OMISSIONS
99.91% like oubliettes
CUBBY HOLE
99.9% like oubliettes
RECESSES
99.9% like oubliettes
DARKNESS
99.9% like oubliettes
ENTOMBS
99.89% like oubliettes
BURIAL CHAMBER
99.89% like oubliettes
OBSCURANT
99.88% like oubliettes
OBSCURANTISM
99.88% like oubliettes
CRYPTS
99.88% like oubliettes
CLOSETS
99.87% like oubliettes
OBSCURANTIST
99.87% like oubliettes
TUNNELS
99.86% like oubliettes
CELLULE
99.86% like oubliettes
GROTTOS
99.86% like oubliettes
CRAWLSPACE
99.85% like oubliettes
CELLAR
99.85% like oubliettes
SECRETS
99.84% like oubliettes
SEPULCHRE
99.84% like oubliettes
SUBTERRANE
99.84% like oubliettes
EOLATION
99.83% like oubliettes
ALCOVES
99.83% like oubliettes
CAVERNS
99.82% like oubliettes
TABORET
99.82% like oubliettes
UNDERGROUND
99.82% like oubliettes
CLOSET
99.81% like oubliettes
HIDDENNESS
99.81% like oubliettes
HIBERNACULUM
99.8% like oubliettes
HYPOGEAL
99.8% like oubliettes
SOLITAIRES
99.8% like oubliettes
LOUVRES
99.79% like oubliettes
LEPROSARIUM
99.79% like oubliettes
PARAVENT
99.78% like oubliettes
SECRET
99.78% like oubliettes
COUCHETTE
99.78% like oubliettes
MAISONETTES
99.77% like oubliettes
ORPHANAGE
99.77% like oubliettes
COCOONS
99.76% like oubliettes
HIDEAWAYS
99.76% like oubliettes
SEWERS
99.76% like oubliettes
HIDE AWAY
99.75% like oubliettes
CLANDESTINE
99.75% like oubliettes
TUYERES
99.74% like oubliettes
DUNGEON
99.74% like oubliettes
OSSUARY
99.74% like oubliettes
CONFINEMENTS
99.73% like oubliettes
OBSCURA
99.73% like oubliettes
SARCOPHAGI
99.72% like oubliettes
HOVELS
99.72% like oubliettes
CLAUSTROPHOBIC
99.72% like oubliettes
SUBBASEMENT
99.71% like oubliettes
OBFUSCATIONS
99.71% like oubliettes
SUBTERRANEAN
99.7% like oubliettes
SARCOPHAGUS
99.7% like oubliettes
WINDOWLESS
99.7% like oubliettes
ABANDONED
99.69% like oubliettes
UNENCLOSED
99.69% like oubliettes
ENCASEMENT
99.68% like oubliettes
FORGOTTEN
99.68% like oubliettes
ISOLATION
99.68% like oubliettes
CLOACAE
99.67% like oubliettes
PRISON CELL
99.67% like oubliettes
UNCURTAINED
99.66% like oubliettes
TOILETTE
99.66% like oubliettes
COUVERT
99.66% like oubliettes
PASSAGEWAY
99.65% like oubliettes
HYPOGEA
99.65% like oubliettes
SLEEPERS
99.64% like oubliettes
ENTOMB
99.64% like oubliettes
ABBAYE
99.64% like oubliettes
OFF LIMITS
99.63% like oubliettes
TUNNEL
99.63% like oubliettes
OCCLUDE
99.62% like oubliettes
ESCONDIDO
99.62% like oubliettes
ASYLUM
99.62% like oubliettes
SEPULCHRAL
99.61% like oubliettes
GARDEROBE
99.61% like oubliettes
ABYSS
0% like oubliettes
