There are 20 words that start with 'foll'.
| folly | folles | 
| follis | follow | 
| follies | follows | 
| follicle | followed | 
| follower | followup | 
| follicles | followers | 
| following | followups | 
| follicular | followings | 
| folliculitis | followership | 
| followerships | folliculitises | 
Note: These 20 words that start with 'foll' are found from the USA & Canada version of the tournament Scrabble word list.