rassling vs grappling

rassling and grappling both are nouns.

Word	Noun	Adjective	Verb	Adverb
rassling	Yes	No	No	No
grappling	Yes	No	No	No

As nouns, rassling and grappling are synonyms defined as:

rassling and grappling: the sport of hand-to-hand struggle between unarmed contestants who try to throw each other down

Other synonyms of rassling include wrestling.

rassling (noun)	grappling (noun)
the sport of hand-to-hand struggle between unarmed contestants who try to throw each other down	the act of engaging in close hand-to-hand combat
	the sport of hand-to-hand struggle between unarmed contestants who try to throw each other down