nuttier

As an adjective nuttier

is (nutty).

As a proper noun nutter is

.

As adjectives the difference between puttier and nuttier

is that puttier is (putty) while nuttier is (nutty).

As a noun puttier

is one who putties; a glazier.

As adjectives the difference between nuttier and nattier

is that nuttier is (nutty) while nattier is (natty).

As an adjective nuttier

is comparative of nutty.

As a noun ruttier is

a chart of a course, especially at sea.