slightness vs joke

slightness and joke both are nouns.

Word	Noun	Adjective	Verb	Adverb
slightness	Yes	No	No	No
joke	Yes	No	Yes	No

As nouns, joke is a hyponym of slightness; that is, joke is a word with a more specific, narrower meaning than slightness:

Other hyponyms of slightness include unproblematicalness.

slightness (noun)	joke (noun)
slenderness	a ludicrous or grotesque act done for fun and amusement
the property of an attractively thin person	activity characterized by good humor
the quality of being unimportant and petty or frivolous	a triviality not to be taken seriously
	a humorous anecdote or remark intended to provoke laughter

slightness (verb)	joke (verb)
	act in a funny or teasing way
	tell a joke; speak humorously