fun vs waggery

fun and waggery both are nouns.

Word	Noun	Adjective	Verb	Adverb
fun	Yes	No	No	No
waggery	Yes	No	No	No

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

fun: verbal wit or mockery (often at another's expense but not to be taken seriously)
waggery: waggish behavior

fun (noun)	waggery (noun)
activities that are enjoyable or amusing	a quaint and amusing jest
violent and excited activity	waggish behavior
a disposition to find (or make) causes for amusement
verbal wit or mockery (often at another's expense but not to be taken seriously)