CIRCLE OF WILLIScircle of Willis · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CIRCLE OF WILLISTier 1Ordinal155Pythagorean74Reverse223Reverse Reduction88Standard672Final Large1392Ordinal168Reduced42Atbash365Isopsephy1835Ordinal197Abjad513