Second Declension I

20

The Nominative Singular ends in -ŭs, -ĕr, or -ŭm.
GENDER.—Nouns in -ŭs and -ĕr are generally Masculine; nouns in -ŭm are Neuter.

Nouns in -ŭs.  haed-ŭs, goat, base haed-

	singular	plural
Nom.	haedŭs	haedî
Voc.	haedĕ	haedî
Acc.	haedŭm	haedôs
Gen.	haedî	haedôrum
Dat.	haedô	haedîs
Abl.	haedô	haedîs

Nouns in -ŭm.  bell-ŭm, war, base bell-

	singular	plural
Nom.	bellŭm	bellă
Voc.	bellŭm	bellă
Acc.	bellŭm	bellă
Gen.	bellî	bellôrum
Dat.	bellô	bellîs
Abl.	bellô	bellîs

The Locative Singular, when used, ends in -î, as Corinthî, at Corinth.

Nouns in -ĕr.—These originally ended in -ĕr-ŭs (the Base ending in -er), and have lost the inflexion of the Nominative and Vocative Singular.  The majority also drop e before r, except in the same cases.

Exx.  pŭĕr, boy, base pŭĕr-; ăgĕr, field, base ăgr-

	singular	plural
Nom.	pŭĕr	pŭĕrî
Voc.	pŭĕr	pŭĕrî
Acc.	pŭĕrŭm	pŭĕrôs
Gen.	pŭĕrî	pŭĕrôrum
Dat.	pŭĕrô	pŭĕrîs
Abl.	pŭĕrô	pŭĕrîs

	singular	plural
Nom.	ăgĕr	ăgrî
Voc.	ăgĕr	ăgrî
Acc.	ăgrŭm	ăgrôs
Gen.	ăgrî	ăgrôrum
Dat.	ăgrô	ăgrîs
Abl.	ăgrô	ăgrîs

The following Nouns are declined like pŭĕr: socĕr, father-in-law, gĕnĕr, son-in-law, vespĕr, evening, ădultĕr, adulterer, Lîbĕr, Liber.

In Nouns the base of which ends in -î-, the Genitive Singular is usually contracted.  The Vocative Singular Roman Proper names in -ĭŭs, and of fîlĭŭs son, is also contracted.  Thus, nĕgôtî (for nĕgôtĭî) of-business, fîlî (for fîlĭĕ) my son!

	singular	plural
Nom.	fîlĭŭs	fîlĭî
Voc.	fîlî	fîlĭî
Acc.	fîlĭŭm	fîlĭôs
Gen.	fîlî or fîlĭî	fîlĭôrum
Dat.	fîlĭô	fîlĭîs
Abl.	fîlĭô	fîlĭîs

dĕŭs, god, and vĭr, man, are irregular.

	singular	plural		singular	plural
Nom.	dĕŭs	dî (dĕî)		vĭr	vĭrî
Voc.	dĕŭs	dî (dĕî)		vĭr	vĭrî
Acc.	dĕŭm	dĕôs		vĭrum	vĭrôs
Gen.	dĕî	dĕôrum or dĕum		vĭrî	vĭrôrum or vĭrum
Dat.	dĕô	dĕîs		vĭrô	vĭrîs
Abl.	dĕô	dĕîs		vĭrô	vĭrîs

For other irregularities see § 268–270.