Crossword clues for Number 18 5 lettersAnswerClueELVISHe had 18 number 1 hitsARGONAtomic number 18ARGONNumber 18ARGONIts atomic number is 18STATSNumbers for 18-DownEVENS18 of 38 roulette numbersONEHOURI'd like to spend ___ with you.” nyt 1954 ONEIDAS Iroquoian Indians. nyt 1954 ONEIDAS Iroquois. nyt 1954 ONEIFBYLANDTWOIFBYSEA Signals of April 18, 1775. nyt 1954 ONEILL Nobel Prize playwright. nyt 1954 ONEILL U. S. prize winner in drama. nyt 1954 ONEMAN Kind of show for Borge. nyt 1954 ONEMOON Number of Earth's satellites. nyt 1954 ONENOTE Johnny ___,” by Rodgers.