COUNTERBOREcounterbore · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:COUNTERBORETier 1Ordinal136Pythagorean55Classical129Reverse161Reverse Reduction62Standard970Final Large970Ordinal115Reduced34Atbash560Isopsephy1122Ordinal150Abjad892