tunnel
diving bell
duck
lost river
subterraneous
underway
subterraneously
sealab
strand
cuniculus
deep-level
deep
Torricellian chamber
subaqueously
underwaterish
water tunnel
suspiral
sump
bathyscape
bathyscaph
bathyscaphe
intraterrestrial
crawlway
tunnelway
subaqua
subaquean
submerged
shaft
submergent
subterraneanly
subterranean
underwater archeology
fathom
marine archeology
marine archaeology
underwater archaeology
underdrain
deep-water
soak
murder-hole
lockage
lum
subterrain
bathysphere
undercity
diving board
buried treasure
rigol
speluncar
tidefall
bottom
submersion
manhole
catacomb
aquascape
snorkel breather
schnorchel
submergeable
lifeline
schnorkel
intertunnel
endodrainage
wet porch
catchpit
downgradient
rine
linn
breather
emissary
topobathy
snorkel
gallery
airlock
air lock
subfluent
seacave
hypogeum
drift
seascraper
subterrene
sunk fence
heading
abysm
cuniculate
transtubal
pondweed
Elodea
cannular
soaking
ditchmoss
channel
inlet
aqua walking
genus Elodea

English words for 'An underground or underwater passage.'

As you may have noticed, above you will find words for "An underground or underwater passage.". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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