royal vs royalty

royal and royalty both are nouns.

Word	Noun	Adjective	Verb	Adverb
royal	Yes	Yes	No	No
royalty	Yes	No	No	No

royal (noun)	royalty (noun)
stag with antlers of 12 or more branches	royal persons collectively
a sail set next above the topgallant on a royal mast	payment to the holder of a patent or copyright or resource for the right to use their property

royal (adjective)	royalty (adjective)
of or relating to or indicative of or issued or performed by a king or queen or other monarch
established or chartered or authorized by royalty
invested with royal power as symbolized by a crown
being of the rank of a monarch
belonging to or befitting a supreme ruler