3-letter words that start with F are 7 and 4-letter words that start with F are 21. 5-letter words that start with F are 12 and 6-letter words that start with F are 12. 7-letter words that start with F are 15 and 8-letter words that start with F are 11. 9-letter words that start with F are 6 and 10-letter words that start with F are 4. 11-letter words that start with F are 3 and 12-letter words that start with F is 1. Total start with F are 92.