Erse language vs Goidelic

Erse language and Goidelic both are nouns.

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

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

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

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

Erse language (noun)	Goidelic (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