Following are all the trapdoor like words, in the list below.
HATCH
100% like trapdoor
DOOR
100% like trapdoor
GATE
99.99% like trapdoor
PASSAGEWAY
99.99% like trapdoor
CHUTE
99.96% like trapdoor
WAYSIDE
99.96% like trapdoor
TRAP
99.88% like trapdoor
TRAPPING
99.82% like trapdoor
TRAPPED
99.82% like trapdoor
DROP
99.56% like trapdoor
PASSAGE
99.09% like trapdoor
MANIPULATED
50.12% like trapdoor
HATCHWAY
50.12% like trapdoor
CAVERN
50.12% like trapdoor
PORTCULLIS
50.12% like trapdoor
STAIRCASE
50.12% like trapdoor
DOORWAY
50.12% like trapdoor
CRAWLWAY
50.12% like trapdoor
STAIRWAY
50.12% like trapdoor
LADDER
50.12% like trapdoor
DUMBWAITER
50.12% like trapdoor
STAIRWELL
50.12% like trapdoor
ALCOVE
50.12% like trapdoor
SPYHOLE
50.12% like trapdoor
LEDGE
50.12% like trapdoor
CAVE
50.12% like trapdoor
KEYHOLE
50.12% like trapdoor
BASEMENT
50.12% like trapdoor
STAIRS
50.12% like trapdoor
VAULT
50.12% like trapdoor
SKYLIGHT
50.12% like trapdoor
CAVERNS
50.12% like trapdoor
STOREROOM
50.12% like trapdoor
ATTIC
50.12% like trapdoor
HATCHWAYS
50.12% like trapdoor
FLOOR
50.12% like trapdoor
ROOF
50.12% like trapdoor
BATHYSPHERE
50.12% like trapdoor
HAYLOFT
50.12% like trapdoor
ELEVATOR
50.12% like trapdoor
TELEPORTER
50.12% like trapdoor
CRYPT
50.12% like trapdoor
DRAINPIPE
50.12% like trapdoor
LEVER
50.12% like trapdoor
BACKDOOR
50.12% like trapdoor
STAIR
50.12% like trapdoor
SLIDING
50.12% like trapdoor
MANHOLE
50.12% like trapdoor
DUNGEON
50.12% like trapdoor
HOLE
50.12% like trapdoor
CREVICE
50.12% like trapdoor
AIRSHAFT
50.12% like trapdoor
CRAWLSPACE
50.12% like trapdoor
MANTRAP
50.12% like trapdoor
STRONGBOX
50.12% like trapdoor
CEILING
50.12% like trapdoor
UNBAR
50.12% like trapdoor
GUARDROOM
50.12% like trapdoor
DOORHANDLE
50.12% like trapdoor
BREECHBLOCK
50.12% like trapdoor
CELLAR
50.12% like trapdoor
CROWBAR
50.12% like trapdoor
CATACOMB
50.12% like trapdoor
CHAMBER
50.12% like trapdoor
HAYMOW
50.12% like trapdoor
BURROW
50.12% like trapdoor
CUBBYHOLE
50.12% like trapdoor
ARCHWAY
50.12% like trapdoor
MINESHAFT
50.12% like trapdoor
PEPPERBOX
50.12% like trapdoor
MECHANISM
50.12% like trapdoor
SUBBASEMENT
50.12% like trapdoor
SPRINGLOADED
50.12% like trapdoor
FORESTAGE
50.12% like trapdoor
TRAP STAIRS
50.12% like trapdoor
POCKET DOOR
50.12% like trapdoor
UP AND OVER DOOR
50.12% like trapdoor
SLIDING DOOR
50.12% like trapdoor
HOPPER
50.12% like trapdoor
PORTIèRE
50.12% like trapdoor
MACBETH TRAP
50.12% like trapdoor
POPHOLE
50.12% like trapdoor
SINK
50.12% like trapdoor
ENTRY
50.12% like trapdoor
BARN DOOR
50.12% like trapdoor
OUBLIETTE
50.12% like trapdoor
DOUBLE DOOR
50.12% like trapdoor
WELLHOLE
50.12% like trapdoor
GARAGE DOOR
50.12% like trapdoor
PEEPHOLE
50.12% like trapdoor
HOUSE DOOR
50.12% like trapdoor
JIB DOOR
50.12% like trapdoor
CAT FLAP
50.12% like trapdoor
HANDGATE
50.12% like trapdoor
CELLAR DOOR
50.12% like trapdoor
HOISTWAY
50.12% like trapdoor
STAIRGATE
50.12% like trapdoor
DUTCH DOOR
50.12% like trapdoor
FENESTRUM
50.12% like trapdoor
SIDELIGHT
50.12% like trapdoor