steak au poivre vs peppered steak

steak au poivre and peppered steak both are nouns.

Word	Noun	Adjective	Verb	Adverb
steak au poivre	Yes	No	No	No
peppered steak	Yes	No	No	No

As nouns, steak au poivre and peppered steak are synonyms defined as:

steak au poivre and peppered steak: steak covered with crushed peppercorns pan-broiled and served with brandy-and-butter sauce

Other synonyms of steak au poivre include pepper steak.

steak au poivre (noun)	peppered steak (noun)
steak covered with crushed peppercorns pan-broiled and served with brandy-and-butter sauce	steak covered with crushed peppercorns pan-broiled and served with brandy-and-butter sauce