Ingurgitating means overeat or eat immodestly; is a word that starts and ends with ing.
abusing admitting adjourning accusing accounting accepting accosting acting addressing advising advancing admonishing administering aggravating aggrieving aging adjoining alarming ...
thinking, playing, running, moving, going, shopping, bringing, taking, making, joking, poking, sleeping, cooking, traveling, mowing, cutting, the list goes on and on.
bogon decagon dragon hexagon jargon octagon paragon pentagon polygon tarragon wagon
Words ending with do: ado aficionado aikido avocado bravado condo crescendo credo commando Colorado decrescendo dodo dado hairdo innuendo judo kiddo lido libido mikado outdo pseudo redo rodeo speedo...