Madron rhymes with:
chadron, padron, audran, cauldron, chadron, children, condron, excedrin, gendron, grandchildren, hendron, hydron, kindran, octahedron, padron, philodendron, polyhedron, ravindran, rhododendron, schoolchildren, squadron, stepchildren, tetrahedron, vorndran, waldren, waldron
Madron sounds like:
mandarin, mandarine, mandarino, matern, materna, mathern, matherne, matrimony, matron, mattern, mediterranean, medrano, midterm, minturn, mitrano, modern, moderne, mondrian, montrone, motoren, motrin, mottern, mottram