Paschal Lamb vs emblem

Paschal Lamb and emblem both are nouns.

Word	Noun	Adjective	Verb	Adverb
Paschal Lamb	Yes	No	No	No
emblem	Yes	No	No	No

As nouns, emblem is a hypernym of Paschal Lamb; that is, emblem is a word with a broader meaning than Paschal Lamb:

Other hypernyms of Paschal Lamb include allegory.

Paschal Lamb (noun)	emblem (noun)
figure of a lamb; emblematic of Christ	special design or visual object representing a quality, type, group, etc.
	a visible symbol representing an abstract idea