aspell-he software package provides Hebrew dictionary for aspell, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aspell-he
aspell-he is installed in your system.
Make ensure the aspell-he package were installed using the commands given below,
$ sudo dpkg-query -l | grep aspell-he *
You will get with aspell-he package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Text Processing |
| Package | aspell-he |
| Version | 1.0-0-6 |
| Description | Hebrew dictionary for aspell |
| Sub Section | Text |