libsnowball-norwegian-perl 1.2-1 (amd64 binary) in ubuntu xenial

 The stem function takes a scalar as a parameter and stems the word
 according to Martin Porters Norwegian stemming algorithm,
 which can be found at the Snowball website: http://snowball.tartarus.org/.
 .
 It also supports caching if you pass the use_cache option when constructing
 a new L:S:S:N object.