Softimage rhymes with:
afterimage, afterimage, gamage, gammage, ramage, rumage, rummage, scrimmage, talmage, transimage
Softimage sounds like:
septimus, shafting, shifting, sifting, softening, softens, softness, speeding, spitting, spotting, spouting, sputnik, sputniks, subatomic, subduing, subotnick, swiftness