| Answer | Crossword Clue |
|---|---|
| CANTONESE | Tongue with six phonetic tones |
| LAO | Language with six tones |
| hexachord | a series of six notes, with a semitone between the third and fourth, the other intervals being whole tones |
| hexachords | HEXACHORD, a series of six notes, with a semitone between the third and fourth, the other intervals being whole tones |
