There are 9 words that start with 'nonan'.
| nonanimal | nonanswer |
| nonanswers | nonanalytic |
| nonanatomic | nonantigenic |
| nonantibiotic | nonantibiotics |
| nonantagonistic | |
Note: These 9 words that start with 'nonan' are found from the USA & Canada version of the tournament Scrabble word list.