As nouns the difference between puttier and ruttier
is that puttier is one who putties; a glazier while ruttier is (obsolete) a chart of a course, especially at sea.
As an adjective puttier
is (putty).
puttier
English
Adjective
(head)
(putty)
Noun
(
en noun)
One who putties; a glazier.