Install spell by entering the following commands in the terminal:
sudo apt update sudo apt install spell
Description:
GNU Spell, a clone of Unix `spell'
GNU Spell is a spell checking program which prints each misspelled word on a line of its own. It is designed as a clone of the standard Unix `spell' program, and implemented as a wrapper for Ispell. Spell accepts as its arguments a list of files to read from. Within that list, the magical file name `-' causes Spell to read from standard input. In addition, when called with no file name arguments, Spell assumes that it should process standard input.
Homepage: http://directory.fsf.org/project/spell/
Version: 1.0-24build1
Section: universe/text