There are 20 9-letter words that start with 'of'.
| offenders | offending | offensive |
| offerings | offertory | offhanded |
| officered | officials | officiant |
| officiary | officiate | officinal |
| officious | offloaded | offprints |
| offscreen | offshoots | offshores |
| offspring | offstages | |
Note: These 20 9-letter words that start with 'of' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with off, oft, ofa.
3-letter words start with 'of' (2)