Posted on 8th August 2013 by melyn Tennvenya is the Cornish word for magnetise Yes, magnetise in Cornish is tennvenya Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: X-dewynya is the Cornish word for X-rayNext post: Amser is the Cornish word for tense