Binary package “iswiss” in ubuntu bionic

Swiss (German) orthography dictionary for ispell

 This is a dictionary for ispell for the new German orthography
 (de-CH-1996), which is used since 1998-08-01 and which is obligatory
 as of 2005-08-01.
 .
 It is based on the famous hkgerman dictionary (using the old German
 orthography, which is available as iogerman), with many corrections
 and additions.
 .
 This particular rendering supports swiss spelling. This includes some
 Swiss words, as well as ss instead of German sz ligature.