courtyard vs parvis

courtyard and parvis both are nouns.

Word	Noun	Adjective	Verb	Adverb
courtyard	Yes	No	No	No
parvis	Yes	No	No	No

As nouns, parvis is a hyponym of courtyard; that is, parvis is a word with a more specific, narrower meaning than courtyard:

courtyard: an area wholly or partly surrounded by walls or buildings
parvis: a courtyard or portico in front of a building (especially a cathedral)

Other hyponyms of courtyard include atrium, bailey, cloister, food court, forecourt.

courtyard (noun)	parvis (noun)
an area wholly or partly surrounded by walls or buildings	a courtyard or portico in front of a building (especially a cathedral)