Tablet vs Gravestone - What's the difference?

As nouns the difference between tablet and gravestone

is that tablet is a slab of clay used for inscription while gravestone is a stone slab set at the head of a grave.

is to form (a drug, etc) into tablets.

(en noun)

A slab of clay used for inscription.

(religion) A short scripture written by the founders of the Bahá'í faith.

A pill; a small, easily swallowed portion of a substance.

Many people take vitamin tablets as a food supplement.

(computing) A graphics tablet.

(computing) A tablet computer, a type of portable computer.

(Scotland) A confection made from sugar, condensed milk and butter.

To form (a drug, etc.) into tablets.

* ----

(en noun)

A stone slab set at the head of a grave.

* headstone; tombstone