German shepherd vs alsatian

German shepherd and alsatian both are nouns.

Word	Noun	Adjective	Verb	Adverb
German shepherd	Yes	No	No	No
alsatian	Yes	No	No	No

As nouns, German shepherd and alsatian are synonyms defined as:

German shepherd and alsatian: breed of large shepherd dogs used in police work and as a guide for the blind

Other synonyms of German shepherd include German police dog, German shepherd dog.

German shepherd (noun)	alsatian (noun)
breed of large shepherd dogs used in police work and as a guide for the blind	breed of large shepherd dogs used in police work and as a guide for the blind