lachrymal duct vs lacrimal duct

lachrymal duct and lacrimal duct both are nouns.

Word	Noun	Adjective	Verb	Adverb
lachrymal duct	Yes	No	No	No
lacrimal duct	Yes	No	No	No

As nouns, lachrymal duct and lacrimal duct are synonyms defined as:

lachrymal duct and lacrimal duct: any of several small ducts that carry tears from the lacrimal glands

Other synonyms of lachrymal duct include tear duct.

lachrymal duct (noun)	lacrimal duct (noun)
any of several small ducts that carry tears from the lacrimal glands	any of several small ducts that carry tears from the lacrimal glands