12-Letter Words Start with 'cos'

There are 18 12-letter words that start with 'cos'.

cosmetically	cosmeticians	cosmeticized
cosmeticizes	cosmochemist	cosmogonical
cosmogonists	cosmographer	cosmographic
cosmological	cosmologists	cosmopolises
cosmopolitan	cosmopolites	cosponsoring
costermonger	costlinesses	cosurfactant

Note: These 18 12-letter words that start with 'cos' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with cosm, cost, cosi, cose, cosh, coss, cosp, cosc, cosu, cosy.

4-letter words start with 'cos' (4)
5-letter words start with 'cos' (7)
6-letter words start with 'cos' (22)
7-letter words start with 'cos' (19)
8-letter words start with 'cos' (23)
9-letter words start with 'cos' (22)
10-letter words start with 'cos' (18)
11-letter words start with 'cos' (15)
12-letter words start with 'cos' (18)
13-letter words start with 'cos' (14)
14-letter words start with 'cos' (6)
15-letter words start with 'cos' (1)