INTERNAL REVENUE SERVICEInternal Revenue Service · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:INTERNAL REVENUE SERVICETier 1Ordinal264Pythagorean111Classical250Reverse330Reverse Reduction132Standard1378Final Large1378Ordinal208Reduced55Atbash389Isopsephy1455Ordinal240Abjad1453