flummery vs pudding

flummery and pudding both are nouns.

Word	Noun	Adjective	Verb	Adverb
flummery	Yes	No	No	No
pudding	Yes	No	No	No

As nouns, pudding is a hypernym of flummery; that is, pudding is a word with a broader meaning than flummery:

flummery: a bland custard or pudding especially of oatmeal
pudding: any of various soft sweet desserts thickened usually with flour and baked or boiled or steamed

flummery (noun)	pudding (noun)
meaningless ceremonies and flattery	any of various soft sweet desserts thickened usually with flour and baked or boiled or steamed
a bland custard or pudding especially of oatmeal	any of various soft thick unsweetened baked dishes
	(British) the dessert course of a meal (`pud' is used informally)