canopic jar vs canopic vase

canopic jar and canopic vase both are nouns.

Word	Noun	Adjective	Verb	Adverb
canopic jar	Yes	No	No	No
canopic vase	Yes	No	No	No

As nouns, canopic jar and canopic vase are synonyms defined as:

canopic jar and canopic vase: a jar used in ancient Egypt to contain entrails of an embalmed body

canopic jar (noun)	canopic vase (noun)
a jar used in ancient Egypt to contain entrails of an embalmed body	a jar used in ancient Egypt to contain entrails of an embalmed body