| Term | Definition |
| -ος | Singular Nominative -ος type (Subject) |
| -ου (-ος) | Singular Genitive -ος type (Of/From) |
| -ῳ | Singular Dative -ος type (To/For/Location/By) |
| -ον (-ος) | Singular Accusative -ος type (Involving Motion) |
| -ε | Singular Vocative -ος type (Exclamation) |
| -οι | Plural Nominative -ος type (Subject) |
| -ων | Plural Genitive -ος type (Of/From) |
| -οις (-ος) | Plural Dative -ος type (To/For/Location/By) |
| -ους | Plural Accusative -ος type (Involving Motion) |
| -ον (-ον, N) | Singular Nominative -ον type (Subject) |
| -ου | Singular Genitive -ον type (Of/From) |
| -ῳ | Singular Dative -ον type (To/For/Location/By) |
| -ον (-ον, A) | Singular Accusative -ον type (Involving Motion) |
| -α (N) | Plural Nominative -ον type (Subject) |
| -ων | Plural Genitive -ον type (Of/From) |
| -οις (-ον) | Plural Dative -ον type (To/For/Location/By) |
| -α (A) | Plural Accusative -ον type (Involving Motion) |