The Allen and Greenough is still under construction;
so some links may not work quite the way you would expect.
Adjectives of One Termination.
117. The remaining adjectives of the third
declension are Consonant stems; but most of them, except Comparatives,
have t[QUERY] following forms of i-stems: - [For details see
- -í in the ablative
singular (but often -e);
- -ia in the nominative and
accusative plural neuter;
- -ium in the genitive plural;
- -ís (as well as -és) in the accusative plural
masculine and feminine.
In the other cases they follow the rule for Consonant stem[QUERY]
a. These adjectives, except stems in
l- or r-, form the nominative sing[QUERY] lar from
the stem by adding s: as, atróx (stem atróc- s), egéns (st[QUERY] egent- s).[Stems in nt- omit t
before the nominative -s.]
b. Here belong the present participles in
-ns (stem nt-)[Stems in nt- omit t
before the nominative -s.]: as,
amáns, moné[QUERY] They
are declined like egéns (but cf. § 121).