cairn terrier vs cairn

cairn terrier and cairn both are nouns.

Word	Noun	Adjective	Verb	Adverb
cairn terrier	Yes	No	No	No
cairn	Yes	No	No	No

As nouns, cairn terrier and cairn are synonyms defined as:

cairn terrier and cairn: small rough-haired breed of terrier from Scotland

cairn terrier (noun)	cairn (noun)
small rough-haired breed of terrier from Scotland	small rough-haired breed of terrier from Scotland
	a mound of stones piled up as a memorial or to mark a boundary or path