German shepherd dog vs alsatian

German shepherd dog and alsatian both are nouns.

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

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

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

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

German shepherd dog (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