batholite vs batholith

batholite and batholith both are nouns.

Word	Noun	Adjective	Verb	Adverb
batholite	Yes	No	No	No
batholith	Yes	No	No	No

As nouns, batholite and batholith are synonyms defined as:

batholite and batholith: large mass of intrusive igneous rock believed to have solidified deep within the earth

Other synonyms of batholite include pluton, plutonic rock.

batholite (noun)	batholith (noun)
large mass of intrusive igneous rock believed to have solidified deep within the earth	large mass of intrusive igneous rock believed to have solidified deep within the earth