[616]. (1.) Some stems in -ro- preceded by a short vowel end in -r in the nominative singular masculine and have no vocative ([454]); they are declined as follows:

Example
Stems
M. līber, F. lībera, Ne. līberum,free,
lībero-, līberā-.
Singular.Plural.
Masc.Fem.Neut.Masc.Fem.Neut.
Nom.līberlīberalīberumlīberīlīberaelībera
Gen.līberīlīberaelīberīlīberōrumlīberārumlīberōrum
Dat.līberōlīberaelīberōlīberīslīberīslīberīs
Acc.līberumlīberamlīberumlīberōslīberāslībera
Abl.līberōlīberālīberōlīberīslīberīslīberīs

Such are: compounds, chiefly poetical, ending in -fer and -ger, bearing, carrying, having: as, caelifer, heaven-upholding; corniger, horned; also the following:

(alter, [618]), asper, other, rough

lacer, līber, torn, free

gibber, miser, hump-backed, forlorn

satur, sēmifer, full, half-beast

tener, Trēver, tender, Treveran

dexter, right, has dextera, dexterum, or dextra, dextrum, G. dexterī, or dextrī, &c. sinister, left, has usually sinistra, &c., rarely sinisteram (Plaut., Ter.). asper has a plural accusative asprōs (Stat.), and ablative asprīs (Verg.).

[617]. (2.) Other stems in -ro- have a vowel before r only in the nominative singular masculine -er ([454]); they are declined as follows: