There are 11 words that start with 'caddis'.
| caddis | caddish |
| caddised | caddises |
| caddisfly | caddishly |
| caddisworm | caddisflies |
| caddishness | caddisworms |
| caddishnesses | |
Note: These 11 words that start with 'caddis' are found from the USA & Canada version of the tournament Scrabble word list.