There are 17 words that start with 'clap'.
| clap | claps |
| clapt | clapped |
| clapper | clappers |
| clapping | claptrap |
| clapboard | claptraps |
| clapboards | clapboarded |
| clapperclaw | clapboarding |
| clapperclaws | clapperclawed |
| clapperclawing | |
Note: These 17 words that start with 'clap' are found from the USA & Canada version of the tournament Scrabble word list.