Yes, the word southwest is a noun. Southwest is also an adjective and an adverb. Examples:
Noun: The southwest is a very popular area for retirees in the US.
Adjective: The southwest highway will take you to the campground.
Adverb: We walked southwest along the rim of the canyon.
It is a noun. A noun is a person , PLACE or thing.
It can be, indicating the direction of travel (where). It can also be a directional noun and a proper noun.
The word "southwest" is typically not capitalized unless it is referring to a specific region or as part of a proper noun, such as "Southwest Airlines" or "the Southwest region of the United States."
No, except at the beginning of a sentence because it is n ot a proper n ou n.
At the start of a sentence or when it is used in the name of something, like in Southwest Airlines.
No, neither the direction (southwest) nor the region (Southwest) is spelled with a capital W. The form southwest is a compound word indicating a direction midway between the two on the compass.
The correct spelling of the proper noun is Wester Hailes, a locale southwest of Edinburgh, Scotland.
Yes, "west-southwest" should be hyphenated when used as a compound adjective to describe direction, such as in "the west-southwest wind." The hyphenation helps clarify that the two words are working together to modify a noun. When used as a standalone term, it does not require hyphenation.
The word "wasser" a noun, translates to "water" in English. Interestingly enough, it is also a village in southwest Germany
The noun Apache is actually a word for a collective group of culturally related native people of the US southwest, not a specific tribe. A collective noun for people would be an appropriate collective noun for Apaches; for example a community of Apaches; a conference of Apaches; a contingent of Apaches.
The informal term in English is warnable (able to be warned), but the spelling of the proper noun, a city in southwest Victoria, Australia, is Warrnambool.
A southwest wind is coming from the southwest.