LETTERS PATENTletters patent · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:LETTERS PATENTTier 1Ordinal175Pythagorean49Classical166Reverse176Reverse Reduction77Standard2020Final Large2020Ordinal166Reduced40Atbash50Isopsephy1676Ordinal182Abjad1946