hunspell-he software package provides Hebrew dictionary for hunspell, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hunspell-he
hunspell-he is installed in your system.
Make ensure the hunspell-he package were installed using the commands given below,
$ sudo dpkg-query -l | grep hunspell-he *
You will get with hunspell-he package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Text Processing |
| Package | hunspell-he |
| Version | 1:5.2.1-2 |
| Description | Hebrew dictionary for hunspell |
| Sub Section | Text |