tonsilla adenoidea vs third tonsil

tonsilla adenoidea and third tonsil both are nouns.

Word	Noun	Adjective	Verb	Adverb
tonsilla adenoidea	Yes	No	No	No
third tonsil	Yes	No	No	No

As nouns, tonsilla adenoidea and third tonsil are synonyms defined as:

tonsilla adenoidea and third tonsil: a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)

Other synonyms of tonsilla adenoidea include adenoid, Luschka's tonsil, pharyngeal tonsil, tonsilla pharyngealis.

tonsilla adenoidea (noun)	third tonsil (noun)
a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)	a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)