O.E.D.O.E.D. · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:O.E.D.Tier 1Ordinal24Pythagorean15Classical23Reverse57Reverse Reduction12Standard10Final Large10Ordinal10Reduced10Atbash180Isopsephy79Ordinal25Abjad11