@Gazebo, do you have any particular criticism for why “Kanuni” is a worse/less suitable name than “Tanzimat”?
to preserve and restore past strength. The iconic nature of the term is worthwhile.
I stand firmly in the Kanuni camp, simply because I think it is really strange that, between two names evoking administration and law, we have the one least related with Suleiman, the actual leader of the civ in the game. Furthermore, Suleiman's period was far more prosperous for Ottomans traders, to the point European powers accepted to commerce with the empire despite religious and political tensions (think capitulations).
The name aside, I also think there should be a tenuous link between the two parts of the kit (commerce-focused UA / war-focused UCs) : maybe simply something like '+1 Trade Route slot per Vassal' ? Since Suleiman is especially good at capturing cities toward the mid game, but doesn't benefit much from it economically, that doesn't seem too far-fetched. Plus, it would create a category of warmongers that would care more about vassals (something that is more often used by peaceful civs as buffers) and would be thematic with how Ottomans dealt with their faraway conquests (think Barbary States, or how Ottomans reinforced their commercial presence in the Balkans after establishing vassal states there, like Wallachia or Dubrovnik)