How to spell TRAMPOLINEING correctly?

One possible correction for the misspelling "trampolineing" could be "trampolining". This is the correct spelling of the word that refers to the activity of jumping and bouncing on a trampoline. Another possible correction could be "trampoline-ing", using a hyphen to indicate that "trampoline" is a root word and "-ing" is a suffix indicating the present participle tense.