subeditor vs editor in chief

subeditor and editor in chief both are nouns.

Word	Noun	Adjective	Verb	Adverb
subeditor	Yes	No	No	No
editor in chief	Yes	No	No	No

As nouns, editor in chief is a hypernym of subeditor; that is, editor in chief is a word with a broader meaning than subeditor:

subeditor: an assistant editor
editor in chief: a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)

Other hypernyms of subeditor include editor.

subeditor (noun)	editor in chief (noun)
an assistant editor	a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)