Third Declension Patterns

Cf. Wheelock 7, 14, 16, 23, 26

LatinPraxis Index

Keep in mind the following variations on third-declension endings. The "Changes" signify the number of forms that are different from the regular forms of third-declension nouns given in the first block of endings.

1. Regular Third-Declension NOUNS
M/F	regular	-- , -is, -î, -em, -e, -ês, -um, -ibus, -ês, -ibus
N	regular	-- , -is, -î, --, -e, -a, -um, -ibus, -a, -ibus

2. I-STEM Third-Declension NOUNS
M/F	ONE Change	-ium genitive plural
N	FOUR Changes	-î ablative singular -ia nominative plural -ia accusative plural -ium genitive plural

3. Regular Third-Declension ADJECTIVES
M/F	TWO Changes	-î ablative singular -ium genitive plural
N	FOUR Changes	-î ablative singular -ia nominative plural -ia accusative plural -ium genitive plural

4. Present PARTICIPLES

(Cf. #3 except for abl. sg. ambiguity)

M/F

ONE or TWO Changes

-î or -e ablative singular
-ium genitive plural

THREE or FOUR Changes

  -î or -e ablative singular
  -ia nominative plural
  -ia accusative plural
  -ium genitive plural

5. Third-Declension COMPARATIVE ADJECTIVES
M/F	regular	As in Number 1
N	regular	As in Number 1

Third Declension Patterns

Cf. Wheelock 7, 14, 16, 23, 26

LatinPraxis Index

1. Regular Third-Declension NOUNS

2. I-STEM Third-Declension NOUNS

3. Regular Third-Declension ADJECTIVES

4. Present PARTICIPLES

(Cf. #3 except for abl. sg. ambiguity)

5. Third-Declension COMPARATIVE ADJECTIVES

See also the page on Third-Declension I-stems.