We don't have synonyms for northerners yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are northerner, northernness and southerners.
(n) :
A native or inhabitant of the north of a region (or of the world as a whole), such as one of the northern United States, the north of Norway, etc.
(n) :
Alternative letter-case form of northerner. [A native or inhabitant of the north of a region (or of the world as a whole), such as one of the northern United States, the north of Norway, etc.]
(n) :
A native or inhabitant of the north of a region (or of the world as a whole), such as one of the northern United States, the north of Norway, etc.
(n) :
Alternative letter-case form of northerner. [A native or inhabitant of the north of a region (or of the world as a whole), such as one of the northern United States, the north of Norway, etc.]