The U.S. observance on September 11 is officially named "Patriot Day and National Day of Service and Remembrance." While this is its full legal title, it is commonly referred to simply as "9/11" or "September 11th." It is important to distinguish this observance from "Patriots' Day," a different holiday celebrated in April in Massachusetts and Maine, which commemorates the Battles of Lexington and Concord.
The keyword phrase "what is another name for patriot day" is not a single part of speech; it is an interrogative sentence that functions as a noun clause in certain contexts. The core subjects within the phrase are the words "name" and "Patriot Day," both of which are nouns. "Patriot Day" specifically functions as a proper noun. Grammatically, analyzing the core nouns is the most direct way to identify the main subject of the query.
For content and informational purposes, recognizing the primary subject as a noun ("Patriot Day") is crucial. This determines the central topic. Understanding the entire phrase as a question (an interrogative clause) guides the structure of the response, which should be formulated to provide a direct answer to the user's inquiry about alternative names for that specific noun.