sou'-sou'-west vs south southwest

sou'-sou'-west and south southwest both are nouns.

Word	Noun	Adjective	Verb	Adverb
sou'-sou'-west	Yes	No	No	Yes
south southwest	Yes	No	No	No

As nouns, sou'-sou'-west and south southwest are synonyms defined as:

sou'-sou'-west and south southwest: the compass point midway between south and southwest

Other synonyms of sou'-sou'-west include SSW.

sou'-sou'-west (noun)	south southwest (noun)
the compass point midway between south and southwest	the compass point midway between south and southwest

sou'-sou'-west (adverb)	south southwest (adverb)
to, toward, or in the south southwest