There are 9 7-letter words that start with 'pref'.
prefabs | preface | prefade | prefect |
prefers | prefile | prefire | preform |
prefund | |||
Note: These 9 7-letter words that start with 'pref' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with prefi, prefa, prefe, prefo, prefr, prefl, prefu.
6-letter words start with 'pref' (3)