Unwell- well ( ploxo- xorosho) informal- formal (neoficialniy- oficialniy) unluky-lucky ( neudachniy- udachniy) unpleasant- pleasant ( nepriyatniy- priyatniy) impolite- polite ( nevezhliviy- vezhliviy) unknown- known (neizvestniy- izvestniy) independant- dependant ( nezavisimiy- zavisimiy) unlike- like ( ne poxozhiy- poxozhiy) to unzip- to zip up ( rasstegnut- zastegnut) to undo- to do up ( rasstyogivat- zastyogivat)
informal- formal (neoficialniy- oficialniy)
unluky-lucky ( neudachniy- udachniy)
unpleasant- pleasant ( nepriyatniy- priyatniy)
impolite- polite ( nevezhliviy- vezhliviy)
unknown- known (neizvestniy- izvestniy)
independant- dependant ( nezavisimiy- zavisimiy)
unlike- like ( ne poxozhiy- poxozhiy)
to unzip- to zip up ( rasstegnut- zastegnut)
to undo- to do up ( rasstyogivat- zastyogivat)