There are 11 words that end with 'irmed'.
| firmed | chirmed | affirmed |
| infirmed | squirmed | confirmed |
| reaffirmed | disaffirmed | reconfirmed |
| unconfirmed | disconfirmed | |
Note: These 11 words that end with 'irmed' are found from the USA & Canada version of the tournament Scrabble word list.