There are 16 words that start with 'longs'.
| longs | longship |
| longsome | longspur |
| longships | longshore |
| longspurs | longsomely |
| longshoring | longsighted |
| longshoreman | longshoremen |
| longshorings | longsomeness |
| longsomenesses | longsightedness |
Note: These 16 words that start with 'longs' are found from the USA & Canada version of the tournament Scrabble word list.