coude telescope vs coude system

coude telescope and coude system both are nouns.

Word	Noun	Adjective	Verb	Adverb
coude telescope	Yes	No	No	No
coude system	Yes	No	No	No

As nouns, coude telescope and coude system are synonyms defined as:

coude telescope and coude system: a reflecting telescope so constructed that the light is led to a plate holder or spectrograph

coude telescope (noun)	coude system (noun)
a reflecting telescope so constructed that the light is led to a plate holder or spectrograph	a reflecting telescope so constructed that the light is led to a plate holder or spectrograph