LETTER OPENERletter opener · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LETTER OPENERTier 1Ordinal153Pythagorean63Classical145Reverse171Reverse Reduction63Standard1366Final Large1366Ordinal133Reduced34Atbash123Isopsephy1050Ordinal159Abjad1292