heartbreaker vs charmer

heartbreaker and charmer both are nouns.

Word	Noun	Adjective	Verb	Adverb
heartbreaker	Yes	No	No	No
charmer	Yes	No	No	No

As nouns, charmer is a hypernym of heartbreaker; that is, charmer is a word with a broader meaning than heartbreaker:

heartbreaker: a charming person who is irresponsible in emotional relationships
charmer: a person who charms others (usually by personal attractiveness)

Other hypernyms of heartbreaker include beguiler.

heartbreaker (noun)	charmer (noun)
a narrow defeat or a defeat at the last minute	a person who charms others (usually by personal attractiveness)
a charming person who is irresponsible in emotional relationships	someone with an assured and ingratiating manner