15-Letter Words Start with 'mas'

There are 4 15-letter words that start with 'mas'.

masculinization	masochistically
masterfulnesses	mastoidectomies

Note: These 4 15-letter words that start with 'mas' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with mast, mass, masc, maso, mash, mask, masq, masa, mase, masj, masu.

4-letter words start with 'mas' (5)
5-letter words start with 'mas' (9)
6-letter words start with 'mas' (22)
7-letter words start with 'mas' (29)
8-letter words start with 'mas' (35)
9-letter words start with 'mas' (31)
10-letter words start with 'mas' (24)
11-letter words start with 'mas' (28)
12-letter words start with 'mas' (18)
13-letter words start with 'mas' (13)
14-letter words start with 'mas' (2)
15-letter words start with 'mas' (4)