The Super Sentai Question N' Answer Game

[Fantasy Leader]

The ones that come to mind...
Rije into Rijewel
Toran into Toranza
Prince Buldont into Kaizer Buldont
Drop into Salamandes
Manmaruba
and maybe KingRanger and KibaRanger?

You got the first five right. I did not have Riki (Kingranger) and Kou in mind though.