sight gag vs jest

sight gag and jest both are nouns.

Word	Noun	Adjective	Verb	Adverb
sight gag	Yes	No	No	No
jest	Yes	No	Yes	No

As nouns, jest is a hypernym of sight gag; that is, jest is a word with a broader meaning than sight gag:

sight gag: a joke whose effect is achieved by visual means rather than by speech (as in a movie)
jest: a humorous anecdote or remark intended to provoke laughter

Other hypernyms of sight gag include gag, jape, joke, laugh.

sight gag (noun)	jest (noun)
a joke whose effect is achieved by visual means rather than by speech (as in a movie)	activity characterized by good humor
	a humorous anecdote or remark intended to provoke laughter

sight gag (verb)	jest (verb)
	act in a funny or teasing way
	tell a joke; speak humorously