Foule is a derived term of fouler.
As nouns the difference between fouler and foule
is that fouler is one who fouls while foulé is a light woollen fulled cloth.
As adjectives the difference between fouler and foule
is that fouler is comparative of foul while foule is obsolete form of lang=en.
fouler
English
Adjective
(head)
(foul)
----