The word "gymnostus" is spelled with a "gymno-" prefix meaning naked and a "stus" suffix meaning covered. The correct pronunciation of "gymnostus" is /dʒaɪmˈnɒstəs/, with stress on the second syllable. The phonetic transcription of this word shows that the "gymno-" prefix is pronounced as /dʒaɪmnoʊ/, with a soft "g" sound, followed by a long "i" and "m" sound. The "stus" suffix is pronounced as /stəs/, with a short "u" and "s" sound.