As nouns the difference between partitionism and partitionist
is that partitionism is (ireland|politics) the treatment of northern ireland and the republic of ireland as distinct while partitionist is (canada|politics) a political partisan who favours the partition of the province of quebec with the western, southern portions and montreal forming a separate province or country from the rest of quebec.
partitionism
Noun
(-)
(Ireland, politics) The treatment of Northern Ireland and the Republic of Ireland as distinct. partitionist
English
Noun
(
en noun)
(Canada, politics) a political partisan who favours the partition of the province of Quebec with the western, southern portions and Montreal forming a separate province or country from the rest of Quebec
Coordinate terms
* separatist
* independentist
* sovereigntist / sovereignist
* autonomist
* nationalist
* federalist