Python 3.4+
./freeq.py -i input_file.txt ./freeq.py -i input_file.txt -o output_file.txt
12dicts word list: http://wordlist.aspell.net/12dicts-readme/
lemmas.txt is derrived from 2+2+3lem.txt in version 6 of 12dicts word list.
The freq.py is released under the BSD-2-Clause license.
The lemmas.txt, which is derrived from the collective work by Keven Atkinson and many others, is released under the licenses mentioned in COPYRIGHT.
No Warranties. Use at your own risk.