Cenotaph and Tombstones

Cenotaph noun - A monument built to honor people whose remains are interred elsewhere or whose remains cannot be recovered.

Tombstones and cenotaph are semantically related In some cases you can replace term "Tombstones" with "Cenotaph", this nouns are similar.

Cenotaph and tombstones are semantically related in grave marker topic. You can use "Cenotaph" instead a noun "Tombstones".