Latin Noun System: Five Declensions
| First | Second | Third | Fourth | Fifth | ||
|---|---|---|---|---|---|---|
| porta, portae f. gate |
amicus, amici m. friend |
donum, doni n. gift |
rex, regis m. king |
fructus, -us m. fruit |
dies, diei m. day |
|
| Singular | ||||||
| Nom. | port-a | amic-us | don-um | rex | fruct-us | di-es |
| Gen. | port-ae | amic-i | don-i | reg-is | fruct-us | di-ei |
| Dat. | port-ae | amic-o | don-o | reg-i | fruct-ui | di-ei |
| Acc. | port-am | amic-um | don-um | reg-em | fruct-um | di-em |
| Abl. | port-a | amic-o | don-o | reg-e | fruct-u | di-e |
| Plural | ||||||
| Nom. | port-ae | amic-i | don-a | reg-es | fruct-us | di-es |
| Gen. | port-arum | amic-orum | don-orum | reg-um | fruct-uum | di-erum |
| Dat. | port-is | amic-is | don-is | reg-ibus | fruct-ibus | di-ebus |
| Acc. | port-as | amic-os | don-a | reg-es | fruct-us | di-es |
| Abl. | port-is | amic-is | don-is | reg-ibus | fruct-ibus | di-ebus |
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