There are 17 words that start with 'march'.
| march | marched | 
| marchen | marcher | 
| marches | marchers | 
| marchesa | marchese | 
| marchesi | marching | 
| marchland | marchlike | 
| marchpane | marchlands | 
| marchpanes | marchioness | 
| marchionesses | |
Note: These 17 words that start with 'march' are found from the USA & Canada version of the tournament Scrabble word list.