Yes, ‘nack’ is a word, but it is not commonly used in everyday language. It is a term that can be found in some dialects and regional languages. In certain contexts, ‘nack’ might be used to describe a knack or a particular skill. However, it is important to note that its usage is quite rare and may not be recognized by everyone.
For example, someone might say, ‘She has a nack for solving puzzles,’ meaning she has a natural ability or talent for it. Despite its existence, ‘nack’ is often considered a variant or a misspelling of ‘knack,’ which is the more widely accepted term.
In summary, while ‘nack’ is technically a word, it is not commonly used, and ‘knack’ is the preferred term in most contexts.