Are joy (noun) and jocularity (noun) related? Seen in juxtaposition (noun), joy comes from deep within, and jocularity is more a surface thing. We can be jovial (adjective) even while we jest (verb), which can be taken jokingly (adverb) or jeeringly (adverb). How do I want to come across to others?
Bonus thought: The definition of JOY: Jesus, Others, You. Having one’s life prioritized gives the possibility of joy bubbling from the depths.