There are 10 15-letter words that start with 'fa'.
| facetiousnesses | faithlessnesses |
| familiarization | fanaticalnesses |
| fantasticalness | fantastications |
| fashionableness | fatheadednesses |
| faultlessnesses | favorablenesses |
Note: These 10 15-letter words that start with 'fa' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with far, fan, fac, fat, fal, fas, fai, fau, fam, fab, fad, fav, fag, fak, faw, fae, fay, faz, faq, fax, fah, faj.
3-letter words start with 'fa' (9)