There are 21 words that start with 'chow'.
| chow | chows | 
| chowed | chowse | 
| chowder | chowing | 
| chowsed | chowses | 
| chowchow | chowders | 
| chowsing | chowtime | 
| chowchows | chowdered | 
| chowhound | chowtimes | 
| chowdering | chowhounds | 
| chowderhead | chowderheads | 
| chowderheaded | |
Note: These 21 words that start with 'chow' are found from the USA & Canada version of the tournament Scrabble word list.