EXTRADURALextradural · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:EXTRADURALTier 1Ordinal124Pythagorean43Classical116Reverse146Reverse Reduction65Standard1000Final Large1000Ordinal118Reduced28Atbash219Isopsephy1001Ordinal119Abjad923