There are 12 words that start with 'hiero'.
| hierodule | hierology |
| hierodules | hieroglyph |
| hierophant | hieroglyphs |
| hierologies | hierophants |
| hieroglyphic | hierophantic |
| hieroglyphics | hieroglyphical |
Note: These 12 words that start with 'hiero' are found from the USA & Canada version of the tournament Scrabble word list.