Kolts rhymes with:
colt's, colts, koltz, bolts, boltz, colt's, colts, folts, foltz, goltz, holt's, holts, holtz, jolts, koltz, moltz, revolts, scholtes, scholtz, shoults, shoultz, soltes, stoeltze, stoltz, voeltz, volts, voltz, woltz
Kolts sounds like:
keltz, khalid's, kilowatts, kilts, klatsky, klitz, klitzke, klotz, klutts, kluttz, klutz, kolodziej, kolodziejski, koltz