Harden
Harden verb - To become physically firm or solid.
Intercross and harden are semantically related. In some cases you can use "Intercross" instead a verb "Harden".
Intercross
Intercross noun - An offspring of parents with different genes especially when of different races, breeds, species, or genera.
Harden and intercross are semantically related. Sometimes you can use "Harden" instead a verb "Intercross".
Cite this Source
Intercross and Harden. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/harden/intercross
Harden & Intercross. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/harden/intercross>.
Intercross or Harden. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/harden/intercross.
Google Ngram Viewer shows how "harden" and "intercross" have occurred on timeline