pharyngeal tonsil vs Luschka's tonsil

pharyngeal tonsil and Luschka's tonsil both are nouns.

Word	Noun	Adjective	Verb	Adverb
pharyngeal tonsil	Yes	No	No	No
Luschka's tonsil	Yes	No	No	No

As nouns, pharyngeal tonsil and Luschka's tonsil are synonyms defined as:

pharyngeal tonsil and Luschka's tonsil: a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx)

Other synonyms of pharyngeal tonsil include adenoid, third tonsil, tonsilla adenoidea, tonsilla pharyngealis.

pharyngeal tonsil (noun)	Luschka's 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)