You should use Thorn (Þ,þ) as opposed to P,p.
That aside, it depends on the following history. No or little Norse influence from the Vikings will butterfly the Normans. There would still be French influence but not to the amount we had OTL.
We probably see some words lose their genders as...
What's the command structure like on the Hammer? The ranks look naval (zur See) but I wonder if they'll keep it that way or is lessons learned from the Hammer will have them try something different on Feuerdrache