Key
Key noun - An explanatory list of the symbols on a map or chart.
Tag
Tag noun - A slip (as of paper or cloth) that is attached to something to identify or describe it.
How words are described
Both words in one sentence
- Basically, they're the hot scientists who only get to tag along because the key victims happened to have raised them.
Source: Never a Self-Made Woman -
The card is key to winning the tag duel with Yuma against Tobio and a brainwashed Umimi in the present time.
Source: Bouquet Toss - A small amnesiac alien and the rag-tag crew that adopt him may hold the key to saving Earth in a brewing interstellar conflict...
Source: Sci-Fi Webcomics
Cite this Source
Tag and Key. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/key/tag
Key & Tag. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/key/tag>.
Tag or Key. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/key/tag.
Google Ngram Viewer shows how "key" and "tag" have occurred on timeline