Fourth and Fifth Declension
Fourth Declension Mostly masculine Two common feminine nouns (domus and manus) Two common neuter nouns (genu and cornu)
Fourth Declension M. and F. Endings Manus. –us, f. -hand Case Singular Plural Nominative -us manus Genitive -uum manuum Dative -ui -ibus manui manibus Accusative -um manum Ablative -u manu
Fourth Declension N. Endings Cornu, -us, n. -horn Case Singular Plural Nominative -u -ua cornu cornua Genitive -us -uum cornus cornuum Dative -ibus cornibus Accusative Ablative
Fifth Declension Nouns Contains an –e in every ending Res and dies are used constantly
Fifth Declension Endings Dies, diei, f. –day Res, rei, f. -thing Case Singular Plural Nominative es dies res Genitive ei erum diei dierum rei rerum Dative ebus diebus rebus Accusative em diem rem Ablative e die re