DIFFICULTYdifficulty · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:DIFFICULTYTier 1Ordinal115Pythagorean52Classical109Reverse155Reverse Reduction56Standard730Final Large730Ordinal127Reduced37Atbash337Isopsephy2174Ordinal158Abjad650