trust deed vs legal document

trust deed and legal document both are nouns.

Word	Noun	Adjective	Verb	Adverb
trust deed	Yes	No	No	No
legal document	Yes	No	No	No

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

trust deed: a written instrument legally conveying property to a trustee often used to secure an obligation such as a mortgage or promissory note
legal document: (law) a document that states some contractual relationship or grants some right

Other hypernyms of trust deed include instrument, legal instrument, official document.

trust deed (noun)	legal document (noun)
a written instrument legally conveying property to a trustee often used to secure an obligation such as a mortgage or promissory note	(law) a document that states some contractual relationship or grants some right