SimilarityRank
underground 0.720 6189
an_underground 0.659 54403
below_ground 0.654 92974
above_ground 0.636 48376
cavern 0.596 31132
burrow 0.530 33674
crevice 0.526 41049
submerged 0.523 88547
basement 0.523 13559
beneath 0.522 5530
bowel_of 0.522 85384
lair 0.508 72091
enigmatic 0.507 36412
serpentine 0.506 94837
otherworldly 0.506 84011
clandestine 0.505 57233
Underground 0.503 62964
seep 0.503 82112
tunnel 0.500 4147
subsurface 0.495 46904
passageway 0.491 43289
underworld 0.491 77608
cave 0.489 4077
excavate 0.486 19537
ghostly 0.478 67625