| Word | Definitions | Synonyms |
|---|---|---|
| chorionic | (adjective) of or relating to a chorion | - |
| clarion | (adjective) loud and clear | - |
| criterional | (adjective) serving as a basis for evaluation | Synonyms: criterial |
| histrionic | (adjective) characteristic of acting or a stage performance; often affected | Synonyms: melodramatic |
| septrional | (adjective) of northern regions; from the seven stars (or seven plowing oxen) of Ursa Major | - |
| vibrionic | (adjective) caused by bacteria of the genus Vibrio | - |