Pole is written in English there should be some kind of accent on the "e
It's an English word and of course there aren't accents in English.
The Polish words are Polak and Pollka.
"Pollack"
I've never heard that word; is it in a local form of English somewhere rather than in standard English?
In English, a pollock is a type of fish (a fairly low quality one rather like the Polish
mintaj) however that of course is with an o rather than an a. It's also an English surname, probably as likely to be related to Pollard rather than Polak (though there was of course seventeenth and eighteenth century immigration from Poland to Britain.