Learn how to say Yaws correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word yaws:
[treated as singular]
a contagious disease of tropical countries, caused by a bacterium that enters skin abrasions and gives rise to small crusted lesions which may develop into deep ulcers. Also called framboesia.
The bacterium is the spirochaete Treponema pallidum subsp. pertenue
late 17th century: probably from Carib yaya, from a South American Indian language