| Lemma | Part of speech | Gloss |
|---|---|---|
| οἰόρ | Foreign word | |
| Οἰόρπατα | Foreign word | |
| οἷος | Relative pronoun | |
| οἶος | Adjective | |
| οἰόφρων | Adjective | |
| οἷπερ | Relative adverb | |
| ὄϊς | Common noun | |
| ὀϊστός | Common noun | |
| Οἰταῖος | Adjective | |
| οἴχομαι | Verb | |
| οἰωνιστικός | Adjective | |
| οἰωνός | Common noun | |
| ὀκέλλω | Verb | |
| ὀκνέω | Verb | |
| ὄκνος | Common noun | |
| ὀκτακισχίλιοι | Cardinal numeral | |
| ὀκτακόσιοι | Cardinal numeral | |
| Ὀκταμασάδης | Proper noun | |
| ὀκτήρης | Common noun | |
| ὀκτώ | Cardinal numeral | |
| ὀκτωκαίδεκα | Cardinal numeral | |
| ὄλβιος | Adjective | |
| ὄλβος | Common noun | |
| ὀλέθριος | Adjective | |
| ὄλεθρος | Common noun |