allegiance vs fealty

allegiance and fealty both are nouns.

Word	Noun	Adjective	Verb	Adverb
allegiance	Yes	No	No	No
fealty	Yes	No	No	No

As nouns, allegiance and fealty are synonyms defined as:

allegiance and fealty: the loyalty that citizens owe to their country (or subjects to their sovereign)

allegiance (noun)	fealty (noun)
the act of binding yourself (intellectually or emotionally) to a course of action	the loyalty that citizens owe to their country (or subjects to their sovereign)
the loyalty that citizens owe to their country (or subjects to their sovereign)