marshall vs law officer

marshall and law officer both are nouns.

Word	Noun	Adjective	Verb	Adverb
marshall	Yes	No	No	No
law officer	Yes	No	No	No

As nouns, law officer is a hypernym of marshall; that is, law officer is a word with a broader meaning than marshall:

marshall: a law officer having duties similar to those of a sheriff in carrying out the judgments of a court of law
law officer: an officer of the law

Other hypernyms of marshall include lawman, peace officer.

marshall (noun)	law officer (noun)
a law officer having duties similar to those of a sheriff in carrying out the judgments of a court of law	an officer of the law
(in some countries) a military officer of highest rank