REGULAR PENTAGONregular pentagon · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:REGULAR PENTAGONTier 1Ordinal174Pythagorean75Classical165Reverse231Reverse Reduction78Standard1028Final Large1678Ordinal137Reduced47Atbash611Isopsephy1198Ordinal172Abjad954