indictment vs legal document

indictment and legal document both are nouns.

Word	Noun	Adjective	Verb	Adverb
indictment	Yes	No	No	No
legal document	Yes	No	No	No

As nouns, legal document is a hypernym of indictment; that is, legal document is a word with a broader meaning than indictment:

indictment: a formal document written for a prosecuting attorney charging a person with some offense
legal document: (law) a document that states some contractual relationship or grants some right

Other hypernyms of indictment include instrument, legal instrument, official document.

indictment (noun)	legal document (noun)
a formal document written for a prosecuting attorney charging a person with some offense	(law) a document that states some contractual relationship or grants some right
an accusation of wrongdoing