| English | eng-000 |
| coexistance | |
| English | eng-000 | coincidence |
| English | eng-000 | concomitance |
| English | eng-000 | concomitancy |
| English | eng-000 | concurrence |
| English | eng-000 | concurrency |
| English | eng-000 | conjunction |
| English | eng-000 | contemporaneousness |
| English | eng-000 | simultaneity |
| English | eng-000 | simultaneousness |
| English | eng-000 | synchronism |
| ภาษาไทย | tha-000 | การเกิดขึ้นพร้อมกัน |