APRIL FOOLS' DAYApril Fools' day · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:APRIL FOOLS' DAYTier 1Ordinal153Pythagorean63Classical143Reverse198Reverse Reduction72Standard516Final Large516Ordinal129Reduced48Atbash403Isopsephy1496Ordinal173Abjad440