Posted on 21st December 201613th October 2016 by melyn ‘Congratulations!’ in Cornish is ‘Keslowena!’ Yes, if you want to say ‘Congratulations!’ in the Cornish language, it’s ‘Keslowena!’. Photo by Joi Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Dans is the Cornish word for toothNext post: Hantera is the Cornish word for halve