Posted on 2nd May 2012 by melyn Kelyfydhys is the Cornish word for confidential Yes, confidential in Cornish is kelyfydhys Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Hunek is the Cornish word for dormiceNext post: Hilgasieth is the Cornish word for racism