cake vs tablet

cake and tablet both are nouns.

Word	Noun	Adjective	Verb	Adverb
cake	Yes	No	Yes	No
tablet	Yes	No	No	No

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

cake (noun)	tablet (noun)
a block of solid substance (such as soap or wax)	a dose of medicine in the form of a small pellet
baked goods made from or based on a mixture of flour, sugar, eggs, and fat	a small flat compressed cake of some substance
small flat mass of chopped or ground food	a slab of stone or wood suitable for bearing an inscription
	a portable computer with a touchscreen
	a number of sheets of paper fastened together along one edge

cake (verb)	tablet (verb)
form a coat over