surfing vs surfriding

surfing and surfriding both are nouns.

Word	Noun	Adjective	Verb	Adverb
surfing	Yes	No	No	No
surfriding	Yes	No	No	No

As nouns, surfing and surfriding are synonyms defined as:

surfing and surfriding: the sport of riding a surfboard toward the shore on the crest of a wave

Other synonyms of surfing include surfboarding.

surfing (noun)	surfriding (noun)
the sport of riding a surfboard toward the shore on the crest of a wave	the sport of riding a surfboard toward the shore on the crest of a wave