I don't think that Gondor revolved around fiefs and the oath elation of lord-vassal, these being among the foremost characteristics of feudalism. We do have mentionings of provinces, but these most likely are administrative regions. The cases in which oaths are involved are not relevant either - be they the oath of the stewards, or the oath of Eorl. In fact, the only relation I could describe as feudal is that between King Aragorn and Prince Faramir, whereby one is granted land administration in exchange of fealty, counselling and military aid.
And may I wish you a quick recovery and happy holidays
