We don't have synonyms for wingover yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are hangover, win over and windover.
(n) :
An aerobatic maneuver in which an airplane makes a steep climb followed by a vertical flat-turn (the plane turns to its side, without rolling) and a short dive, levelling out to fly in the opposite direction from which the maneuver began.
(n) :
An aerobatic maneuver in which an airplane makes a steep climb followed by a vertical flat-turn (the plane turns to its side, without rolling) and a short dive, levelling out to fly in the opposite direction from which the maneuver began.