shop=sports sport= has >4600 uses, see shop=sports | Tags | OpenStreetMap Taginfo
sport:cycling has 5 ( sport:cycling | Keys | OpenStreetMap Taginfo ), 5 on shops, all in one city ( overpass turbo )
sport:scuba_diving has 107 ( sport:scuba_diving | Keys | OpenStreetMap Taginfo ), 0 of them on shops (overpass turbo )