There are 12 words that start with 'flann'.
| flannel | flannels | 
| flanneled | flannelet | 
| flannelly | flannelets | 
| flanneling | flannelled | 
| flannelette | flannelling | 
| flannelettes | flannelmouthed | 
Note: These 12 words that start with 'flann' are found from the USA & Canada version of the tournament Scrabble word list.