UNDERCOVER OPERATIONundercover operation · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:UNDERCOVER OPERATIONTier 1Ordinal238Pythagorean103Classical225Reverse275Reverse Reduction104Standard1324Final Large1974Ordinal190Reduced64Atbash578Isopsephy1442Ordinal236Abjad1244