There are 15 words that start with 'cortic'.
| cortical | cortices |
| corticate | corticoid |
| corticose | cortically |
| corticoids | corticotropin |
| corticosteroid | corticosterone |
| corticotrophin | corticotropins |
| corticosteroids | corticosterones |
| corticotrophins | |
Note: These 15 words that start with 'cortic' are found from the USA & Canada version of the tournament Scrabble word list.