One syllable words that rhyme with birr
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