Expansion
Expansion noun - Something added (as by growth).
Prolonging and expansion are semantically related. In some cases you can use "Prolonging" instead a noun "Expansion".
Prolonging
Prolonging noun - The act of making longer.
Expansion and prolonging are semantically related. Sometimes you can use "Expansion" instead a noun "Prolonging".
Mutual synonyms
Cite this Source
Prolonging and Expansion. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/expansion/prolonging
Expansion & Prolonging. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/expansion/prolonging>.
Prolonging or Expansion. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/expansion/prolonging.
Google Ngram Viewer shows how "expansion" and "prolonging" have occurred on timeline