Posted on 27th October 201721st May 2017 by melyn Nos is the Cornish word for night Yes, night in Cornish is nos Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kwackya is the Cornish word for quackNext post: Kleudh is the Cornish word for ditch