Unknowables
Unknowns and unknowables are semantically related. In some cases you can use "Unknowns" instead an adjective "Unknowables".
Unknowns
Unknowables and unknowns are semantically related. Sometimes you can replace term "Unknowables" with "Unknowns", this words are similar.
Cite this Source
Unknowns and Unknowables. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/unknowables/unknowns
Unknowables & Unknowns. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/unknowables/unknowns>.
Unknowns or Unknowables. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/unknowables/unknowns.
Google Ngram Viewer shows how "unknowables" and "unknowns" have occurred on timeline