Posted on 17th February 2013 by melyn Kolpon is the Cornish word for coupon Yes, coupon in Cornish is kolpon Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Perghenogeth is the Cornish word for ownershipNext post: Ter- is the Cornish word for intermittent