Posted on 18th August 20199th August 2019 by melyn Keslowena is the Cornish word for congratulations Yes, congratulations in Cornish is keslowena Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Daswriansek is the Cornish word for iterativeNext post: Fav is the Cornish word for bean