Genitive

3 clues
Grammatical case
(In grammar) the possessive case
Like the word "curiae" in "amicus curiae
Similar answers:
Abideceptivepitch
Ablative
Abnegative
Abortive
Abpositive
Absorptive
Abuyablealternative
Accountexecutive
Accretive
Accusativecase
Acquisitive
Acquisitiveness
Active
Activecase
Activecomponent
Activeduty
Activeinterests
Actively
Activeplay
Activerole