Puerto Rico
noun: Puerto Rican(s) (US citizens)
adjective: Puerto Rican

Qatar
noun: Qatari(s)
adjective: Qatari

Reunion
noun: Reunionese (singular and plural)
adjective: Reunionese

Romania
noun: Romanian(s)
adjective: Romanian

Russia
noun: Russian(s)
adjective: Russian

Rwanda
noun: Rwandan(s)
adjective: Rwandan

Saint Helena noun: Saint Helenian(s) adjective: Saint Helenian note: referred to locally as "Saints"

Saint Kitts and Nevis
noun: Kittitian(s), Nevisian(s)
adjective: Kittitian, Nevisian

Saint Lucia
noun: Saint Lucian(s)
adjective: Saint Lucian

Saint Pierre and Miquelon
noun: Frenchman(men), Frenchwoman(women)
adjective: French