Posted on 27th August 2015 by melyn Leshwor is the Cornish word for stepsister Yes, stepsister in Cornish is leshwor Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Tonya is the Cornish word for tuneNext post: Entra is the Cornish word for enter