Posted on 11th January 2019 by melyn Perthynyans is the Cornish word for relation Yes, relation in Cornish is perthynyans Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Enysegans is the Cornish word for insulationNext post: Kewerder is the Cornish word for accuracy