There are 14 words that start with 'chann'.
| channel | channels | 
| channeled | channeler | 
| channelers | channeling | 
| channelize | channelled | 
| channelized | channelizes | 
| channelling | channelizing | 
| channelization | channelizations | 
Note: These 14 words that start with 'chann' are found from the USA & Canada version of the tournament Scrabble word list.