lingua vs articulator

lingua and articulator both are nouns.

Word	Noun	Adjective	Verb	Adverb
lingua	Yes	No	No	No
articulator	Yes	No	No	No

As nouns, articulator is a hypernym of lingua; that is, articulator is a word with a broader meaning than lingua:

lingua: a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity
articulator: a movable speech organ

Other hypernyms of lingua include organ.

lingua (noun)	articulator (noun)
a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity	a movable speech organ
	someone who pronounces words