display case vs vitrine

display case and vitrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
display case	Yes	No	No	No
vitrine	Yes	No	No	No

As nouns, display case and vitrine are synonyms defined as:

display case and vitrine: a glass container used to store and display items in a shop or museum or home

Other synonyms of display case include case, showcase.

display case (noun)	vitrine (noun)
a glass container used to store and display items in a shop or museum or home	a glass container used to store and display items in a shop or museum or home