Red Sun vs Sol Rojo

Red Sun and Sol Rojo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Red Sun	Yes	No	No	No
Sol Rojo	Yes	No	No	No

As nouns, Red Sun and Sol Rojo are synonyms defined as:

Red Sun and Sol Rojo: a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings

Other synonyms of Red Sun include Communist Party of Ecuador, Puka Inti.

Red Sun (noun)	Sol Rojo (noun)
a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings	a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings