There are 20 words that start with 'dek'.
| deke | deked | dekes |
| dekko | dekare | deking |
| dekkos | dekares | dekeing |
| dekagram | dekagrams | dekaliter |
| dekalitre | dekameter | dekametre |
| dekaliters | dekalitres | dekameters |
| dekametres | dekametric | |
Note: These 20 words that start with 'dek' are found from the USA & Canada version of the tournament Scrabble word list.