There are 12 words that start with 'patent'.
| patent | patents |
| patented | patentee |
| patently | patentor |
| patentees | patenting |
| patentors | patentable |
| patentability | patentabilities |
Note: These 12 words that start with 'patent' are found from the USA & Canada version of the tournament Scrabble word list.