There are 21 words that start with 'pigg'.
| piggy | pigged | 
| piggie | piggin | 
| piggery | piggier | 
| piggies | pigging | 
| piggins | piggish | 
| piggiest | piggeries | 
| pigginess | piggishly | 
| piggyback | piggybacks | 
| pigginesses | piggishness | 
| piggybacked | piggybacking | 
| piggishnesses | |
Note: These 21 words that start with 'pigg' are found from the USA & Canada version of the tournament Scrabble word list.