PREREQUISITEprerequisite · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PREREQUISITETier 1Ordinal162Pythagorean72Classical155Reverse162Reverse Reduction72Standard1066Final Large1066Ordinal139Reduced31Atbash185Isopsephy1235Ordinal164Abjad991