There are 12 words that start with 'hologr'.
| hologram | holograms | 
| holograph | holographs | 
| holography | holographed | 
| holographer | holographic | 
| holographers | holographies | 
| holographing | holographically | 
Note: These 12 words that start with 'hologr' are found from the USA & Canada version of the tournament Scrabble word list.