Suggestions:

3rd Super Robot Wars / Dai 3-Ji Super Robot Taisen
4th Super Robot Taisen / Dai-4-Ji Super Robot Taisen
Aguri Suzuki F-1 Super Driving
Archer Maclean's Super Dropzone
Aretha the Super Famicom
Bakukyuu Renpatsu!! Super B-Daman
Bishoujo Senshi Sailor Moon Super S: Fuwa Fuwa Panic
Bishoujo Senshi Sailor Moon Super S: Zenin Sanka!! Shuyaku Soudatsusen
Dragon Ball Z: Super Butouden
Dragon Ball Z: Super Butouden 2
Dragon Ball Z: Super Butouden 3
Dragon Ball Z: Super Gokuden - Kakusei-Hen
Dragon Ball Z: Super Gokuden: Totsugeki-Hen
Super Aleste
Super Battletank: War in the Gulf
Super Battletank 2
Super Batter Up
Super Bases Loaded 2
Super BC Kid
Super Bikkuriman
Super Chinese Fighter
Super Conflict - The Mideast
Super Drift Out
Super F-1 Hero
Super Family Circuit
Super Final Match Tennis
Super Formation Soccer II
Super Formation Soccer 94
Super Formation Soccer 95
Super Formation Soccer 96
Super Indy Champ
Super James Pond
Super James Pond 2: Codename RoboCod
Super Momotarou Dentetsu Dx
Super Morph
Super Naxat Open: Golf de Shoubu da! Dorabocchan
Super Off Road
Super Oozumou Netsusen Dai-Ichiban
Super Pinball
Super Pinball II: The Amazing Odyssey
Super R.B.I. Baseball
Super Robot Taisen Gaiden - Masô Kishin - The Lord of Elemental
Super Slapshot
Super Solitaire
Super Strike Eagle
Super Ultra Baseball 2
Super Zugan: Hakotenjou kara no Shoutai
Super Zugan 2: Tsukanpo Fighter
The Super Aquatic Games Starring The Aquabats
TKO Super Championship Boxing
WWF: Super Wrestlemania

And that's not including games that had "super" in the title only in their japanese or european versions.

So many.

There's also a homebrew game called "Super Boss Gaiden"

Hey, AAA, thanks for your list. I added all of the except Super Aretha, which I couldn't find in the database