choker vs killer

choker and killer both are nouns.

Word	Noun	Adjective	Verb	Adverb
choker	Yes	No	No	No
killer	Yes	No	No	No

As nouns, killer is a hypernym of choker; that is, killer is a word with a broader meaning than choker:

Other hypernyms of choker include slayer.

choker (noun)	killer (noun)
a high tight collar	predatory black-and-white toothed whale with large dorsal fin; common in cold seas
necklace that fits tightly around a woman's neck	a difficulty that is hard to deal with
someone who kills by strangling	someone who causes the death of a person or animal
an unfortunate person who is unable to perform effectively because of nervous tension or agitation	the causal agent resulting in death