Dail vs Dail Eireann

Dail and Dail Eireann both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dail	Yes	No	No	No
Dail Eireann	Yes	No	No	No

As nouns, Dail and Dail Eireann are synonyms defined as:

Dail and Dail Eireann: the lower house of the parliament of the Irish Republic

Dail (noun)	Dail Eireann (noun)
the lower house of the parliament of the Irish Republic	the lower house of the parliament of the Irish Republic