list two ways that words annoy paul and show him that he does not belong in his home town anymore.

This is the only text I can find in Chapter Seven that makes any sense in regards to your question, but I find no mention of two specific words.

"I find I do not belong here any more, it is a foreign world. Some of these people ask questions, some ask no questions, but one can see that the latter are proud of themselves for their silence; they often say with a wise air that these things cannot be talked about. They plume themselves on it.

I prefer to be alone, so that no one troubles me. For they all come back to the same thing, how badly it goes and how well it goes; one thinks it is this way, another that; and yet they are always absorbed in the things that go to make up their existence. Formerly I lived in just the same way myself, but now I feel no contact here.