There are 9 words that start with 'geoma'.
| geomancy | geomancer |
| geomantic | geomancers |
| geomancies | geomagnetic |
| geomagnetism | geomagnetisms |
| geomagnetically | |
Note: These 9 words that start with 'geoma' are found from the USA & Canada version of the tournament Scrabble word list.