PLANOCONCAVEplanoconcave · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PLANOCONCAVETier 1Ordinal121Pythagorean49Classical113Reverse203Reverse Reduction59Standard428Final Large428Ordinal113Reduced41Atbash292Isopsephy399Ordinal120Abjad267