There are 13 words that start with 'flunk'.
| flunk | flunks | flunky |
| flunked | flunker | flunkey |
| flunkie | flunkers | flunkeys |
| flunkies | flunking | flunkyism |
| flunkyisms | ||
Note: These 13 words that start with 'flunk' are found from the USA & Canada version of the tournament Scrabble word list.