Answers

2016-01-30T16:36:47+05:30
A partisan is a person who is strongly committed to a party or a group.
Partisanship is this commitment to a party by a partisan.
Just like friend and friendship. 
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partisanship is marked by a tendency to take a side and inability to take a balanced view on an issue.
2016-01-31T15:33:43+05:30
A partisan is a strong supporter of a party, cause, or person whereas Partisanship is prejudice in favour of a particular cause; bias.
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