UNDERSURFACEundersurface · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:UNDERSURFACETier 1Ordinal135Pythagorean54Classical129Reverse189Reverse Reduction72Standard706Final Large706Ordinal121Reduced40Atbash293Isopsephy1785Ordinal165Abjad629