There are 19 words that start with 'matu'.
| mature | matured | maturer | 
| matures | maturate | maturely | 
| maturers | maturest | maturing | 
| maturity | maturated | maturates | 
| matutinal | maturating | maturation | 
| maturities | maturations | matutinally | 
| maturational | ||
Note: These 19 words that start with 'matu' are found from the USA & Canada version of the tournament Scrabble word list.