One syllable words that rhyme with der
bir, birr, blur, bur, burr, cur, der, dirr, duhr, durr, err, eure, fer, feur, fir, fleur, fluhr, fur, furr, furrh, gurr, hur, jerr, ker, kerr, kuhr, luhr, mer, murr, myrrh, nurre, per, pere, pur, purr, scher, schnur, schnurr, schreur, schur, schurr, schwer, sher, shir, shirr, shur, shurr, sir, slur, spur, spurr, stir, stuhr, sur, swor, ter, thur, ur, we're, were, whirr