There are 10 words that start with 'marlin'.
| marlin | marline | 
| marling | marlins | 
| marlines | marlings | 
| marlinspike | marlinespike | 
| marlinspikes | marlinespikes | 
Note: These 10 words that start with 'marlin' are found from the USA & Canada version of the tournament Scrabble word list.