There are 14 words that start with 'cowb'.
| cowboy | cowbane | cowbell |
| cowbind | cowbird | cowboys |
| cowbanes | cowbells | cowberry |
| cowbinds | cowbirds | cowboyed |
| cowboying | cowberries | |
Note: These 14 words that start with 'cowb' are found from the USA & Canada version of the tournament Scrabble word list.