mearstone vs merestone

mearstone and merestone both are nouns.

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

As nouns, mearstone and merestone are synonyms defined as:

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

Other synonyms of mearstone include meerestone.

mearstone (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