CENTERBOARDcenterboard · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CENTERBOARDTier 1Ordinal105Pythagorean51Classical100Reverse192Reverse Reduction66Standard962Final Large962Ordinal107Reduced26Atbash500Isopsephy657Ordinal117Abjad885