SSW vs south southwest

SSW and south southwest both are nouns.

Word	Noun	Adjective	Verb	Adverb
SSW	Yes	No	No	No
south southwest	Yes	No	No	No

As nouns, SSW and south southwest are synonyms defined as:

SSW and south southwest: the compass point midway between south and southwest

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

SSW (noun)	south southwest (noun)
the compass point midway between south and southwest	the compass point midway between south and southwest