tonsilla vs tonsil

tonsilla and tonsil both are nouns.

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

As nouns, tonsilla and tonsil are synonyms defined as:

tonsilla and tonsil: either of two masses of lymphatic tissue one on each side of the oral pharynx

Other synonyms of tonsilla include faucial tonsil, palatine tonsil.

tonsilla (noun)	tonsil (noun)
either of two masses of lymphatic tissue one on each side of the oral pharynx	either of two masses of lymphatic tissue one on each side of the oral pharynx