parallel port vs parallel interface

parallel port and parallel interface both are nouns.

Word	Noun	Adjective	Verb	Adverb
parallel port	Yes	No	No	No
parallel interface	Yes	No	No	No

As nouns, parallel port and parallel interface are synonyms defined as:

parallel port and parallel interface: an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously

parallel port (noun)	parallel interface (noun)
an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously	an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously