Posted on 22nd February 2017 by melyn ‘Goodbye! (plural)’ in Cornish is ‘Duw genowgh!’ Yes, if you want to say ‘Goodbye! (plural)’ in the Cornish language, it’s ‘Duw genowgh!’. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Aparel is the Cornish word for apparelNext post: Medhelheans is the Cornish word for lenition