MOTHER TONGUEmother tongue · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:MOTHER TONGUETier 1Ordinal161Pythagorean62Classical153Reverse163Reverse Reduction55Standard1111Final Large1111Ordinal112Reduced40Atbash464Isopsephy1052Ordinal143Abjad1213