Ingesting rhymes with:
digesting, suggesting, arresting, attesting, besting, breasting, contesting, cresting, digesting, divesting, investing, kesting, molesting, nesting, protesting, reinvesting, requesting, resting, retesting, suggesting, testing, vesting, wresting
Ingesting sounds like:
immunizations, incidence, incidences, inciting, injecting, injections, insistence, insisting, instance, instances, instituting, institution's, institutions, institutions'