I want to say:
The word 'foreigner' sounds a little impolite.
These are my attempts:
foreignerという言葉はちょっと無礼そうです。
foreignerという言葉はちょっと無礼に見えます。
foreignerという言葉はちょっと無礼に聞こえます。
Are any of these correct? Should I prefer one form over another when I'm talking about speech or writing?