SUBTERRANEANsubterranean · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:SUBTERRANEANTier 1Ordinal138Pythagorean48Classical131Reverse186Reverse Reduction78Standard968Final Large1618Ordinal113Reduced32Atbash413Isopsephy1214Ordinal143Abjad972