| atonal | atonal |
| tonal | tonal |
| agonal | agonistic agonal |
| azonal | azonal |
| Atoll | atoll |
| Atonie | atony atonicity flaccidity lack of tension lack of tone relaxation |
| atomar | atomic |
| Adonai | Adonai |
| national | national |
| rational | rational |
| Anal | Anal |
| anal | anal |
| Natanael | Nathanael |
| Atopie | atopy |
| Atom | atom |
| Tonem | toneme |
| Tonfall | cadence tone of voice |
| Tonic | tonic |
| Tonwahl | touch-tone dialing |
| Anton | Anthony Antony |