grappling vs full nelson

grappling and full nelson both are nouns.

Word	Noun	Adjective	Verb	Adverb
grappling	Yes	No	No	No
full nelson	Yes	No	No	No

grappling (noun)	full nelson (noun)
the act of engaging in close hand-to-hand combat	a wrestling hold in which the holder puts both arms under the opponent's arms and exerts pressure on the back of the neck (illegal in amateur wrestling)
the sport of hand-to-hand struggle between unarmed contestants who try to throw each other down