Second Declension

—thematic, o/e vocalic alternance, masculine and neuter nouns, some adjectives.

dominus (m., lord, master)
templum (n., temple)

          sg.      pl.           sg.      pl.
nom.      dominus  domini        templum  templa
voc.      domine   domini
acc.      dominum  dominos       templum  templa
gen.      domini   dominorum     templi   templorum
dat.      domino   dominis       templo   templis
abl.      domino   dominis       templo   templis

And, likewise, adjectives such as bonus (good) and malus (bad).

puer, (m., child)
ager (m., field)

          sg.      pl.           sg.     pl.
nom./voc. puer     pueri         ager    agri
acc.      puerum   pueros        agrum   agros
gen.      pueri    puerorum      agri    agrorum
dat.      puero    pueris        agro    agris
abl.      puero    pueris        agro    agris

And, likewise, adjectives such as miser (poor) and pulcher (beautiful).