Opinions vary widely on what word counts justify the label of novel, novella, novelette, or short story.
Eden Witt uses the generally accepted standards below.
A short story is a story less than 10,000 words.
A novelette is a story between 10,000-17,499 words.
A novella is a story between 17,500-39,999 words. Eden's novellas can be found below.
A novel is anything 40,000 words or more.