penal facility vs penal institution

penal facility and penal institution both are nouns.

Word	Noun	Adjective	Verb	Adverb
penal facility	Yes	No	No	No
penal institution	Yes	No	No	No

As nouns, penal facility and penal institution are synonyms defined as:

penal facility and penal institution: an institution where persons are confined as punishment and to protect the public

penal facility (noun)	penal institution (noun)
an institution where persons are confined as punishment and to protect the public	an institution where persons are confined as punishment and to protect the public