Keystone and Second

Keystone

Keystone noun - An immaterial thing upon which something else rests.
Show all Definitions
Synonyms for Keystone

Second and keystone are semantically related. In some cases you can use "Second" instead a noun "Keystone".

Second

Second noun - A very small space of time.

Keystone and second are semantically related. Sometimes you can use "Keystone" instead a noun "Second".

Mutual synonyms

How words are described

true true keystone true second
real real keystone real second
famous famous keystone famous second
new new keystone new second
Other adjectives: major, final, literal.
Cite this Source
Second and Keystone. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keystone/second
Keystone & Second. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keystone/second>.
Second or Keystone. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keystone/second.
Google Ngram Viewer shows how "keystone" and "second" have occurred on timeline