One syllable words that rhyme with fir
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