There are 12 10-letter words that start with 'mea'.
| meadowland | meadowlark | meagerness | 
| meanderers | meandering | meaningful | 
| meannesses | meanwhiles | measurable | 
| measurably | measuredly | meatloaves | 
Note: These 12 10-letter words that start with 'mea' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with mean, meat, meas, meal, mead, meag.
4-letter words start with 'mea' (4)