Crossword clues for the word: INTERNALREVENUE The word INTERNALREVENUE has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for INTERNALREVENUE Showing 1 to 10 of 10 results Clue(s) """Service"" since 1862" "Estate taxes, e.g." "Estate taxes, for example" "Tax service, familiarly" Concern of a certain federal commissioner Income taxes It doesn't include customs Return home? Service that makes people nervous State collections