Diphthong and Spirant

Diphthong noun - A vowel sound that starts near the articulatory position for one vowel and moves toward the position for another.

Spirant and diphthong are semantically related in sound unit of speech topic. In some cases you can use "Spirant" instead a noun "Diphthong".

Nearby Word: diphthongal

Spirant noun - A continuant consonant produced by breath moving against a narrowing of the vocal tract.

Diphthong and spirant are semantically related in sound unit of speech topic. You can use "Diphthong" instead a noun "Spirant".