There are 13 words that start with 'muci'.
| mucid | mucin |
| mucins | mucidity |
| mucilage | mucinoid |
| mucinous | mucilages |
| mucinogen | mucidities |
| mucinogens | mucilaginous |
| mucilaginously | |
Note: These 13 words that start with 'muci' are found from the USA & Canada version of the tournament Scrabble word list.