Posted on 26th May 201221st May 2017 by melyn Islavrek is the Cornish word for underpants Photo by russteaches Yes, underpants in Cornish is islavrek Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Trubyt is the Cornish word for tributeNext post: Ughelgowser is the Cornish word for loudspeaker