CORNERSTONEcornerstone · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CORNERSTONETier 1Ordinal146Pythagorean56Classical138Reverse151Reverse Reduction61Standard1072Final Large1722Ordinal136Reduced37Atbash197Isopsephy970Ordinal160Abjad994