consul vs diplomatist

consul and diplomatist both are nouns.

Word	Noun	Adjective	Verb	Adverb
consul	Yes	No	No	No
diplomatist	Yes	No	No	No

As nouns, diplomatist is a hypernym of consul; that is, diplomatist is a word with a broader meaning than consul:

consul: a diplomat appointed by a government to protect its commercial interests and help its citizens in a foreign country
diplomatist: an official engaged in international negotiations

Other hypernyms of consul include diplomat.

consul (noun)	diplomatist (noun)
a diplomat appointed by a government to protect its commercial interests and help its citizens in a foreign country	an official engaged in international negotiations