There are 13 words that start with 'lithi'.
| lithia | lithic |
| lithias | lithify |
| lithium | lithiums |
| lithiases | lithiasis |
| lithified | lithifies |
| lithifying | lithification |
| lithifications | |
Note: These 13 words that start with 'lithi' are found from the USA & Canada version of the tournament Scrabble word list.