tablet

nouns

a slab of stone or wood suitable for bearing an inscription
tablet
is a type of (narrower)
block consisting of a thick piece of something
slab
a number of sheets of paper fastened together along one edge
pad, pad of paper, tablet
a small flat compressed cake of some substance
"a tablet of soap"
tablet
is a type of (narrower)
a block of solid substance (such as soap or wax)
"a bar of chocolate"
bar, cake
a dose of medicine in the form of a small pellet
lozenge, pill, tab, tablet