Posted on 15th April 2013 by melyn Tereylya is the Cornish word for alternate Yes, alternate in Cornish is tereylya Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kilogram is the Cornish word for kilogrammeNext post: Krommlegh is the Cornish word for cromlech