There are 17 words that start with 'clod'.
| clod | clods | 
| cloddy | cloddier | 
| cloddish | clodpate | 
| clodpole | clodpoll | 
| cloddiest | clodpates | 
| clodpoles | clodpolls | 
| clodhopper | clodhoppers | 
| clodhopping | cloddishness | 
| cloddishnesses | |
Note: These 17 words that start with 'clod' are found from the USA & Canada version of the tournament Scrabble word list.