Accede
Harden
Harden verb - To become physically firm or solid.
Cite this Source
Harden and Accede. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/accede/harden
Accede & Harden. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/accede/harden>.
Harden or Accede. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/accede/harden.
Google Ngram Viewer shows how "accede" and "harden" have occurred on timeline