There are 13 words that start with 'pathog'.
| pathogen | pathogene |
| pathogens | pathogeny |
| pathogenes | pathogenic |
| pathogenies | pathogeneses |
| pathogenesis | pathogenetic |
| pathogenicity | pathognomonic |
| pathogenicities | |
Note: These 13 words that start with 'pathog' are found from the USA & Canada version of the tournament Scrabble word list.