It is unknown whether some word-final syllables in ancient Greek possessed a change in this feature, possibly inherited from Proto-Indo-European. The Romanized Popular Alphabet of Hmong uses word-final consonants to mark these, while one transliteration, known as GR, marks these by changing, adding, or doubling a letter. Yoruba and the Bantu langua
It is unknown whether some word-final syllables in ancient Greek possessed a change in this feature, possibly inherited from Proto-Indo-European. The Romanized Popular Alphabet of Hmong uses word-final consonants to mark these, while one transliteration, known as GR, marks these by changing, adding, or doubling a letter. Yoruba and the Bantu languages have the register form, while others have the contour form. It is thought to have arisen in some cases when syllable-final consonants eroded, and Cantonese has six while Mandarin has four. For 10 points, name these features of some languages which English notably lacks, where the pitch of a word affects its meaning.
It is unknown whether some word-final syllables in ancient Greek possessed a change in this feature, possibly inherited from Proto-Indo-European.
{tones} (prompt on {pitch} or similar, I guess)