Gravestone and Plaque

Gravestone noun - A shaped stone laid over or erected near a grave and usually bearing an inscription to identify and preserve the memory of the deceased.

Plaque and gravestone are semantically related. in headstone topic. In some cases you can use "Plaque" instead a noun "Gravestone".

Plaque noun - A memorial made of brass.

Gravestone and plaque are semantically related. Sometimes you can use "Gravestone" instead a noun "Plaque".