There are 13 words that start with 'fossil'.
| fossil | fossils |
| fossilise | fossilize |
| fossilised | fossilises |
| fossilized | fossilizes |
| fossilising | fossilizing |
| fossiliferous | fossilization |
| fossilizations | |
Note: These 13 words that start with 'fossil' are found from the USA & Canada version of the tournament Scrabble word list.