aspell-de-1901 software package provides Traditional German dictionary for aspell, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aspell-de-1901
aspell-de-1901 is installed in your system.
Make ensure the aspell-de-1901 package were installed using the commands given below,
$ sudo dpkg-query -l | grep aspell-de-1901 *
You will get with aspell-de-1901 package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Text Processing |
| Package | aspell-de-1901 |
| Version | 1:2-31 |
| Description | Traditional German dictionary for aspell |
| Sub Section | text |