| Word | Digits in Telephone Number |
|---|---|
| Onanistic | 662647842 |
| Oncidiums | 662434867 |
| Oncogenes | 662643637 |
| Oncogenic | 662643642 |
| Oncologic | 662656442 |
| Oncomings | 662664647 |
| Ondograms | 663647267 |
| Onenesses | 663637737 |
| Oneration | 663728466 |
| Onerously | 663768759 |
| Onionskin | 664667546 |
| Oniscidae | 664724323 |
| Onlookers | 665665377 |
| Onlooking | 665665464 |
| Onomastic | 666627842 |
| Onondagas | 666632427 |
| Onopordon | 666767366 |
| Onopordum | 666767386 |
| Onrushing | 667874464 |
| Onslaught | 667528448 |
| Ontically | 668422559 |
| Ontogenic | 668643642 |
| Ontologic | 668656442 |
| Onychomys | 669246697 |
| Onychosis | 669246747 |