Besting rhymes with:
arresting, attesting, breasting, contesting, cresting, digesting, divesting, ingesting, investing, kesting, molesting, nesting, protesting, reinvesting, requesting, resting, retesting, suggesting, testing, vesting, wresting
Besting sounds like:
babysitting, backdating, bagdonas, basting, bastions, begetting, besetting, bestowing, biosystems, boasting, bogdanowicz, bogdanski, boosting, boston's, bostonians, boycotting, busting