There are 15 words that start with 'mans'.
| mans | manse | 
| manses | mansard | 
| mansion | mansards | 
| mansions | mansarded | 
| manslayer | manservant | 
| manslayers | mansuetude | 
| mansuetudes | manslaughter | 
| manslaughters | |
Note: These 15 words that start with 'mans' are found from the USA & Canada version of the tournament Scrabble word list.