ASpell is a open source spell checker which is great at suggesting suitable replacements for misspelt word.
To install the base library issue the following command at shell:
yum install aspell
Now you need to install the dictionary, you need to supply a dictionary of the language you want the library to work with, issue the following to install the library:
# We'll first need the epel repo yum install epel-release yum install aspell-en
That’s it, issue aspell-v to verify that the installation was successful.