meerestone vs merestone

meerestone and merestone both are nouns.

Word	Noun	Adjective	Verb	Adverb
meerestone	Yes	No	No	No
merestone	Yes	No	No	No

As nouns, meerestone and merestone are synonyms defined as:

meerestone and merestone: an old term for a landmark that consisted of a pile of stones surmounted by an upright slab

Other synonyms of meerestone include mearstone.

meerestone (noun)	merestone (noun)
an old term for a landmark that consisted of a pile of stones surmounted by an upright slab	an old term for a landmark that consisted of a pile of stones surmounted by an upright slab