Some are just nouns (thing, bling) but verbs with an additional -ing are gerunds.
Most verbs (action words) can end with 'ing'. For example: bring - bringing speak - speaking walk - walking "ing" is not a suffix in the sense of changing the meaning of a word.
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 ...
loving, prancing, playing, singing, barking, purring, sleeping,