radiatio optica vs optic radiation

radiatio optica and optic radiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
radiatio optica	Yes	No	No	No
optic radiation	Yes	No	No	No

As nouns, radiatio optica and optic radiation are synonyms defined as:

radiatio optica and optic radiation: a nerve pathway from the lateral geniculate body to the visual cortex

radiatio optica (noun)	optic radiation (noun)
a nerve pathway from the lateral geniculate body to the visual cortex	a nerve pathway from the lateral geniculate body to the visual cortex