Gravestone is a related term of cenotaph.
As nouns the difference between gravestone and cenotaph
is that gravestone is a stone slab set at the head of a grave while cenotaph is a monument erected to honour the dead whose bodies lie elsewhere; especially members of the armed forces who died in battle.
gravestone
English
Noun
(
en noun)
A stone slab set at the head of a grave.
Synonyms
* headstone; tombstone
See also
* through-stone
cenotaph
English
Noun
(
en noun)
A monument erected to honour the dead whose bodies lie elsewhere; especially members of the armed forces who died in battle.