hotdog vs exhibitionist

hotdog and exhibitionist both are nouns.

Word	Noun	Adjective	Verb	Adverb
hotdog	Yes	No	No	No
exhibitionist	Yes	No	No	No

As nouns, exhibitionist is a hypernym of hotdog; that is, exhibitionist is a word with a broader meaning than hotdog:

hotdog: someone who performs dangerous stunts to attract attention to himself
exhibitionist: someone who deliberately behaves in such a way as to attract attention

Other hypernyms of hotdog include show-off.

hotdog (noun)	exhibitionist (noun)
a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll	someone who deliberately behaves in such a way as to attract attention
a frankfurter served hot on a bun	someone with a compulsive desire to expose the genitals
someone who performs dangerous stunts to attract attention to himself