There are 18 words that start with 'domina'.
| dominant | dominate | dominance | 
| dominancy | dominants | dominated | 
| dominates | dominator | dominances | 
| dominantly | dominating | domination | 
| dominative | dominators | dominatrix | 
| dominancies | dominations | dominatrices | 
Note: These 18 words that start with 'domina' are found from the USA & Canada version of the tournament Scrabble word list.