skidder vs slider

skidder and slider both are nouns.

Word	Noun	Adjective	Verb	Adverb
skidder	Yes	No	No	No
slider	Yes	No	No	No

As nouns, skidder and slider are synonyms defined as:

skidder and slider: a person who slips or slides because of loss of traction

Other synonyms of skidder include slipper.

skidder (noun)	slider (noun)
a tractor used to haul logs over rough terrain	a fastball that curves slightly away from the side from which it was thrown
a worker who uses a skid to move logs	freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
a person who slips or slides because of loss of traction	someone who races the luge
	a person who slips or slides because of loss of traction