There are 9 12-letter words that start with 'mus'.
| musculatures | museological | museologists |
| musicalising | musicalities | musicalizing |
| musicianship | musicologies | musicologist |
Note: These 9 12-letter words that start with 'mus' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with musi, musc, must, musk, mush, muse, muss, musj, musl, musp, musq.
4-letter words start with 'mus' (5)