Largest rhymes with:
allergist, anesthesiologist, anthropologist, apologist, biologist, endocrinologist, entomologist, geologist, gynecologist, hugest, ideologist, musicologist, neurologist, pathologist, psychologist, rheumatologist, scientologist, seismologist, urologist, zoologist
Largest sounds like:
larroquette, learjet, lurched, lurked, lyricist, lyrist