There are 7 12-letter words that start with 'of'.
| officeholder | officialdoms | officialeses |
| officialisms | officiations | offishnesses |
| offscourings | ||
Note: These 7 12-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)