sledder

As an adjective slender

is thin; slim.

As a noun sledder is

a person who rides a sled.

As a noun sledder

is a person who rides a sled.

As an adjective slidder is

(obsolete) slippery.

As a verb slidder is

(dialectal|or|archaic) to slip or slide, especially clumsily, or in a gingerly, timorous way.

As nouns the difference between sledger and sledder

is that sledger is someone who rides a sledge while sledder is a person who rides a sled.

As a noun sledder

is a person who rides a sled.

As a verb sledded is

(sled).

As nouns the difference between shedder and sledder

is that shedder is agent noun of shed; one who sheds while sledder is a person who rides a sled.

As nouns the difference between taxonomy and sledder

is that taxonomy is the science or the technique used to make a classification while sledder is a person who rides a sled.