C. D. GIBSONC. D. Gibson · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:C. D. GIBSONTier 1Ordinal73Pythagorean37Classical70Reverse143Reverse Reduction44Standard235Final Large885Ordinal73Reduced28Atbash741Isopsephy359Ordinal80Abjad155