Dat. Magistro, to a Master, to the Master.

Acc. Magistrum, a Master, the Master.

Voc. Magister, Master, O Master.

Abl. Magistro, from a Master, from the Master.

Plural.

Nom. Magistri, Masters, the Masters.

Gen. Magistrorum, of Masters, of the Masters.

Dat. Magistris, to Masters, to the Masters.

Acc. Magistros, Masters, the Masters.

Voc. Magistri, Masters, O Masters.

Abl. Magistris, from Masters, from the Masters.

Our nouns are therefore only declined thus:

Master, Gen. Master's. Plur. Masters.

Scholar, Gen. Scholar's. Plur. Scholars.

These genitives are always written with a mark of elision, master's,
scholar's, according to an opinion long received, that the 's is a