| イ | [, i] (n) 1st in a sequence denoted by the iroha system; 1st note in the diatonic scale (used in key names, etc.) |
| シ;チ | [, shi ; chi] (n) ti; si; 7th note in the tonic solfa representation of the diatonic scale |
| ソ | [, so] (n) soh; so; 5th note in the tonic solfa representation of the diatonic scale |
| ダイアトニック | [, daiatonikku] (n) diatonic |
| ト | [, to] (n) 7th in a sequence denoted by the iroha system; 7th note in the diatonic scale (used in key names, etc.) |
| ド | [, do] (n) doh; do; 1st note in the tonic solfa representation of the diatonic scale |
| ニ | [, ni] (n) 4th in a sequence denoted by the iroha system; 4th note in the diatonic scale (used in key names, etc.) |
| ハ | [, ha] (n) 3rd in a sequence denoted by the iroha system; 3rd note in the diatonic scale (used in key names, etc.) |
| ファ | [, fa] (n) fa; fah; 4th note in the tonic solfa representation of the diatonic scale |
| ヘ | [, he] (n) 6th in a sequence denoted by the iroha system; 6th note in the diatonic scale (used in key names, etc.) |
| ホ | [, ho] (n) 5th in a sequence denoted by the iroha system; 5th note in the diatonic scale (used in key names, etc.) |