Keeping
Keeping noun - Responsibility for the safety and well-being of someone or something.
Prolongation and keeping are semantically related. In some cases you can use "Prolongation" instead a noun "Keeping".
Prolongation
Prolongation noun - The act of making longer.
Keeping and prolongation are semantically related. Sometimes you can use "Keeping" instead a noun "Prolongation".
Mutual synonyms
Cite this Source
Prolongation and Keeping. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/keeping/prolongation
Keeping & Prolongation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/keeping/prolongation>.
Prolongation or Keeping. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/keeping/prolongation.
Google Ngram Viewer shows how "keeping" and "prolongation" have occurred on timeline