| Lemma | Part of speech | Gloss |
|---|---|---|
| ὀρθός | Adjective | |
| ὀρθότης | Common noun | |
| ὀρθόω | Verb | |
| ὄρθριος | Adjective | |
| ὄρθρος | Common noun | |
| ὀρθῶς | Adverb | |
| ὁρίζω | Verb | |
| ὀρικός | Adjective | |
| ὀρίνω | Verb | |
| ὅρκιον | Common noun | |
| ὅρκος | Common noun | |
| ὁρκόω | Verb | |
| ὁρμάω | Verb | |
| Ὀρμενίδης | Proper noun | |
| ὁρμέω | Verb | |
| ὁρμή | Common noun | |
| ὁρμίζω | Verb | |
| ὅρμος | Common noun | |
| Ὀρνεάτης | Proper noun | |
| ὄρνεον | Common noun | |
| ὄρνις | Common noun | |
| ὄρνυμι | Verb | |
| Ὄροιδος | Proper noun | |
| Ὀροίτης | Proper noun | |
| ὅρος | Common noun |