See also: Appendix:Variations of "acis"
Latin
Etymology 1
Suffix
ācis
- genitive masculine/feminine/neuter singular of -āx
Etymology 2
Suffix
-ācīs
- dative/ablative masculine/feminine/neuter plural of -ācus
Etymology 3
Suffix
-acīs
- dative/ablative masculine/feminine/neuter plural of -acus