negotiatrix vs negotiator

negotiatrix and negotiator both are nouns.

Word	Noun	Adjective	Verb	Adverb
negotiatrix	Yes	No	No	No
negotiator	Yes	No	No	No

As nouns, negotiator is a hypernym of negotiatrix; that is, negotiator is a word with a broader meaning than negotiatrix:

negotiatrix: a woman negotiator
negotiator: someone who negotiates (confers with others in order to reach a settlement)

Other hypernyms of negotiatrix include negotiant, treater.

negotiatrix (noun)	negotiator (noun)
a woman negotiator	someone who negotiates (confers with others in order to reach a settlement)