tonsilla pharyngealis vs third tonsil

tonsilla pharyngealis and third tonsil both are nouns.

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

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

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

tonsilla pharyngealis (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)