There are 11 words that start with 'halog'.
| halogen | halogens |
| halogeton | halogenate |
| halogenous | halogetons |
| halogenated | halogenates |
| halogenating | halogenation |
| halogenations | |
Note: These 11 words that start with 'halog' are found from the USA & Canada version of the tournament Scrabble word list.