fraud vs election fraud

fraud and election fraud both are nouns.

Word	Noun	Adjective	Verb	Adverb
fraud	Yes	No	No	No
election fraud	Yes	No	No	No

As nouns, election fraud is a hyponym of fraud; that is, election fraud is a word with a more specific, narrower meaning than fraud:

fraud: intentional deception resulting in injury to another person
election fraud: misrepresentation or alteration of the true results of an election

fraud (noun)	election fraud (noun)
intentional deception resulting in injury to another person	misrepresentation or alteration of the true results of an election
something intended to deceive; deliberate trickery intended to gain an advantage
the act of swindling by some fraudulent scheme
a person who makes deceitful pretenses