Momental :: Momental (a.) Of or pertaining to moment or momentum.
Momentarily :: Momentarily (adv.) Every moment; from moment to moment.
Momentariness :: Momentariness (n.) The state or quality of being momentary; shortness of duration.
Momentary :: Momentary (a.) Done in a moment; continuing only a moment; lasting a very short time; as, a momentary pang..