There are 15 words that start with 'phago'.
| phagocyte | phagosome | 
| phagocytes | phagocytic | 
| phagosomes | phagocytize | 
| phagocytose | phagocytized | 
| phagocytizes | phagocytosed | 
| phagocytoses | phagocytosis | 
| phagocytotic | phagocytizing | 
| phagocytosing | |
Note: These 15 words that start with 'phago' are found from the USA & Canada version of the tournament Scrabble word list.