Obligation
Obligation noun - Something one must do because of prior agreement.
Physical energy and obligation are semantically related. In some cases you can use "Physical energy" instead a noun "Obligation".
Physical energy
Obligation and physical energy are semantically related. Sometimes you can use "Obligation" instead a noun phrase "Physical energy".
Mutual synonyms
Cite this Source
Physical energy and Obligation. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/obligation/physical_energy
Obligation & Physical energy. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/obligation/physical_energy>.
Physical energy or Obligation. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/obligation/physical_energy.
Google Ngram Viewer shows how "obligation" and "physical energy" have occurred on timeline