Goidelic language vs Erse language

Goidelic language and Erse language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Goidelic language	Yes	No	No	No
Erse language	Yes	No	No	No

As nouns, Goidelic language and Erse language are synonyms defined as:

Goidelic language and Erse language: any of several related languages of the Celts in Ireland and Scotland

Other synonyms of Goidelic language include Erse, Gaelic, Gaelic language, Goidelic.

Goidelic language (noun)	Erse language (noun)
any of several related languages of the Celts in Ireland and Scotland	any of several related languages of the Celts in Ireland and Scotland