BILLABONGbillabong · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BILLABONGTier 1Ordinal74Pythagorean38Classical70Reverse169Reverse Reduction52Standard133Final Large133Ordinal61Reduced25Atbash969Isopsephy198Ordinal72Abjad134