There are 13 words that start with 'copul'.
| copula | copulae | copular |
| copulas | copulate | copulated |
| copulates | copulating | copulation |
| copulative | copulatory | copulations |
| copulatives | ||
Note: These 13 words that start with 'copul' are found from the USA & Canada version of the tournament Scrabble word list.