There are 17 10-letter words that start with 'mus'.
| muscadines | muscarines | muscarinic |
| muscovados | muscovites | muscularly |
| mushroomed | musicalise | musicality |
| musicalize | musicianly | musicology |
| musketeers | musketries | muskmelons |
| musquashes | mustachios | |
Note: These 17 10-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)