The Declension of αγαθος

SINGULAR

Masculine

N ἀγαθος good
G ἀγαθου of, from good/good's
D ἀγαθῷ to/for/by/with good
A ἀγαθόν good (object of verb)
V ἀγαθέ O good! (in an address)

Feminine

N ἀγαθή
G ἀγαθῆς
D ἀγαθῇ
A ἀγαθήν
V ὰγαθή

Neuter

N ἀγαθόν
G ἀγαθοῦ
D ἀγαθῷ
A ἀγαθόν
V ἀγαθόν

PLURAL

Masculine

N ἀγαθοί
G ἀγαθῶν
D ἀγαθοῖς
A ἀγαθούς
V ἀγαθοί

Feminine

N ἀγαθαί
G ἀγαθῶν
D ἀγαθαῖς
A ἀγαθάς
V ἀγαθαί

Neuter

N ἀγαθά
G ἀγαθῶν
D ἀγαθοῖς
A ἀγαθά
V ἀγαθά