lycee vs Gymnasium

lycee and Gymnasium both are nouns.

Word	Noun	Adjective	Verb	Adverb
lycee	Yes	No	No	No
Gymnasium	Yes	No	No	No

As nouns, lycee and Gymnasium are synonyms defined as:

lycee and Gymnasium: a school for students intermediate between elementary school and college; usually grades 9 to 12

Other synonyms of lycee include lyceum, middle school, secondary school.

lycee (noun)	Gymnasium (noun)
a school for students intermediate between elementary school and college; usually grades 9 to 12	a school for students intermediate between elementary school and college; usually grades 9 to 12