There are 19 words that start with 'nonfa'.
| nonfan | nonfat | nonfact |
| nonfans | nonfarm | nonfacts |
| nonfatal | nonfatty | nonfactor |
| nonfading | nonfamily | nonfarmer |
| nonfactors | nonfactual | nonfaculty |
| nonfarmers | nonfamilial | nonfamilies |
| nonfattening | ||
Note: These 19 words that start with 'nonfa' are found from the USA & Canada version of the tournament Scrabble word list.