charm vs good luck charm

charm and good luck charm both are nouns.

Word	Noun	Adjective	Verb	Adverb
charm	Yes	No	Yes	No
good luck charm	Yes	No	No	No

As nouns, charm and good luck charm are synonyms defined as:

charm (noun)	good luck charm (noun)
something believed to bring good luck	something believed to bring good luck
attractiveness that interests or pleases or stimulates
(physics) one of the six flavors of quark, the third most massive of all quarks
a verbal formula believed to have magical force

charm (verb)	good luck charm (verb)
induce into action by using one's charm
protect through supernatural powers or charms
attract; cause to be enamored
control by magic spells, as by practicing witchcraft