Key
Key noun - Something that allows someone to achieve a desired goal.
Usage example: a good education is the key to success
Success
Success noun - A person or thing that is successful.
How words are described
Both words in one sentence
- The late-decade success of Paranormal Activity started to turn the tide back toward low-key ghost stories.
Source: Useful Notes / The Oughts - It's usually frowned upon by other characters, and may have certain downsides to it, but for some it proves to be the key to their success.
Source: Sleeping Their Way To The Top - The key to its success is the sheer variety it can come in: what constitutes as a "bread", "cheese" and especially "toppings" is really up to local tastes.
Cite this Source
Success and Key. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/key/success
Key & Success. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/key/success>.
Success or Key. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/key/success.
Google Ngram Viewer shows how "key" and "success" have occurred on timeline