How is barking dog spelled correctly? - briefly
The phrase "barking dog" is spelled with two words and lowercase letters, except for the initial letter of each word: "b" and "d".
How is barking dog spelled correctly? - in detail
The phrase "barking dog" is typically spelled without any hyphens or spaces between the words, as it functions as a single compound adjective describing another noun. This rule applies because "barking" is an active participle that modifies the noun "dog," indicating that the dog is engaged in the action of barking.
For example:
In both cases, "barking" is an adjective that describes the state or activity of the dog, and it is written as one word with "dog." This convention ensures clarity and proper grammatical structure in English sentences.