Posted on 20th September 2012 by melyn Treuswul is the Cornish word for transact Yes, transact in Cornish is treuswul Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Lev is the Cornish word for voiceNext post: Korrwelek is the Cornish word for microscopic