Monuments and Tombstone

Tombstone and monuments are semantically related. in memorial topic. In some cases you can use "Tombstone" instead a noun "Monuments".

Tombstone 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.

Monuments and tombstone are semantically related. Sometimes you can replace term "Monuments" with "Tombstone", this nouns are similar.