Geologist rhymes with:
anesthesiologist, ideologist, anesthesiologist, anthropologist, apologist, biologist, endocrinologist, entomologist, gynecologist, ideologist, musicologist, neurologist, pathologist, psychologist, rheumatologist, scientologist, seismologist, urologist, zoologist
Geologist sounds like:
gaslight, gaullist, gielgud, gilgit, glaciate, glaciated, glassed, glazed, glossed, glucoside, glycoside, gollust