longest word that starts with g
Hailey Romo. Gorsafawddachaidraigodanheddogleddolonpenrhynareurdraeethceredigion is the longest word that starts with the letter G. A town in Wales. The name means: the Mawddach station and its dragon teeth at the Northern Penrhyn Road on the golden beach of Cardigan bay. Login or Sign Up to answer this question.