There are 18 words that start with 'clai'.
| claim | claims |
| claimed | claimer |
| claimant | claimers |
| claiming | claimable |
| claimants | clairvoyant |
| clairaudient | clairvoyance |
| clairvoyants | clairaudience |
| clairvoyances | clairvoyantly |
| clairaudiences | clairaudiently |
Note: These 18 words that start with 'clai' are found from the USA & Canada version of the tournament Scrabble word list.