While no states in the US have names that are *strictly* compound words (like "Blackbird" or "Firefly"), some states have names that incorporate elements of compounding:
* North Carolina: "North" and "Carolina" are separate words, but the name functions as a compound to distinguish it from "South Carolina".
* South Carolina: Same reasoning as above.
* New Hampshire: "New" is used as a prefix to differentiate it from Hampshire, England.
* New Jersey: Same reasoning as above.
* New Mexico: Same reasoning as above.
* West Virginia: "West" is used as a prefix to distinguish it from Virginia.
It's important to note that these are not true compound words in the strictest sense, as they are formed by joining separate words together. However, they do utilize compound word principles to create unique names with specific meanings.