There are 13 words that end with 'naire'.
| debonaire | luminaire |
| billionaire | doctrinaire |
| millionaire | legionnaire |
| zillionaire | questionnaire |
| undoctrinaire | commissionaire |
| concessionaire | extraordinaire |
| nondoctrinaire | |
Note: These 13 words that end with 'naire' are found from the USA & Canada version of the tournament Scrabble word list.