Kollath rhymes with:
faircloth, schneckloth, ardath, barath, behemoth, bernath, bismuth, colbath, conrath, cravath, dartmouth, demuth, donath, elizabeth, fagoth, faircloth, falmouth, fellmeth, goliath, gopinath, griffith, gwyneth, harvath, heimsoth, judith, kamrath, keinath, konrath, kossuth, kroboth, kunath, mammoth, massoth, milbrath, monmouth, morath, niemuth, plymouth, porath, portsmouth, pursueth, sabbath, samoth, schneckloth, spieth, suddath, sudduth, taketh, thirtieth, trembath, twentieth, unrath, vollrath, walrath, warmoth, weymouth, wilmoth, zenith
Kollath sounds like:
kalata, kaleida, kaleta, kalt, kelda, kellett, kellwood, kelty, khaled, khalid, kielty, kilday, kildee, kildow, killed, kilowatt, kilt, kilty, klatt, klett, kloth, kludt, klute, kluth