There are 16 words that start with 'offen'.
| offend | offence |
| offends | offense |
| offences | offended |
| offender | offenses |
| offenders | offending |
| offensive | offensives |
| offenseless | offensively |
| offensiveness | offensivenesses |
Note: These 16 words that start with 'offen' are found from the USA & Canada version of the tournament Scrabble word list.