Luschka's tonsil vs pharyngeal tonsil

Luschka's tonsil and pharyngeal tonsil both are nouns.

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

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

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

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

Luschka's tonsil (noun)	pharyngeal 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)