missionary post vs NGO

missionary post and NGO both are nouns.

Word	Noun	Adjective	Verb	Adverb
missionary post	Yes	No	No	No
NGO	Yes	No	No	No

As nouns, NGO is a hypernym of missionary post; that is, NGO is a word with a broader meaning than missionary post:

missionary post: an organization of missionaries in a foreign land sent to carry on religious work
NGO: an organization that is not part of the local or state or federal government

Other hypernyms of missionary post include nongovernmental organization.

missionary post (noun)	NGO (noun)
an organization of missionaries in a foreign land sent to carry on religious work	an organization that is not part of the local or state or federal government