Here's why you might see "nat" at the end of words:
* Shortened forms: It could be a shortened version of a word ending in "-nation" or "-national." For example, "nat" could be a slang term for "national" or "nation."
* Specific words: "Nat" might be part of a specific word with a unique meaning, such as "nat" in "natty," meaning "stylish."
* Proper nouns: "Nat" can be a nickname or short form of a name, such as Nathaniel or Natalie.
To understand the meaning of "nat" in a particular context, you need more information. Please provide the full word or phrase where you encountered the suffix "nat" so I can help you understand its meaning.