Hartson rhymes with:
fortson, albertsen, albertson, arntson, augustson, batson, beatson, bengtson, bentsen, bentson, berntsen, berntson, blitzen, butson, butzen, butzin, clementson, culbertson, cuthbertson, datsun, dotson, dutson, ellertson, engebretsen, engebretson, fortson, garretson, gatson, gerritsen, gilbertson, hitson, hutson, ibbotson, jetson, kitson, knudtson, knutsen, knutson, lambertson, latson, lauritsen, letson, matsen, matson, mattson, reinertsen, reinertson, ricketson, ritson, robertson, routson, severtson, sivertsen, sivertson, stetson, syvertsen, tillotson, watson, weitzen, whitson, wrightson, yeltsin
Hartson sounds like:
hardison, hartigan, heartscan, herdsmen