There are 13 words that start with 'rosin'.
| rosin | rosing | rosins |
| rosiny | rosined | rosinol |
| rosiness | rosining | rosinols |
| rosinous | rosinweed | rosinesses |
| rosinweeds | ||
Note: These 13 words that start with 'rosin' are found from the USA & Canada version of the tournament Scrabble word list.