Sneak noun - Someone who acts in a sly and secret manner.
Usage example: “Why, you little sneak,” the mother exclaimed, “you made my birthday present right under my nose!”
Snoop and sneak are semantically related. In some cases you can use "Snoop" instead the word "Sneak" as a verb or a noun.
How words are described
|little||little sneak||little snoop|
Google Ngram Viewer shows how "sneak" and "snoop" have occurred on timeline