Preliminary investigation
Preliminary inquiry and preliminary investigation are semantically related. In some cases you can use "Preliminary inquiry" instead a noun "Preliminary investigation".
Preliminary inquiry
Preliminary investigation and preliminary inquiry are semantically related. You can use "Preliminary investigation" instead a noun phrase "Preliminary inquiry".
Mutual synonyms
Cite this Source
Preliminary inquiry and Preliminary investigation. (2017). Retrieved 2026, August 01, from https://thesaurus.plus/related/preliminary_investigation/preliminary_inquiry
Preliminary investigation & Preliminary inquiry. N.p., 2017. Web. 01 Aug. 2026. <https://thesaurus.plus/related/preliminary_investigation/preliminary_inquiry>.
Preliminary inquiry or Preliminary investigation. 2017. Accessed August 01, 2026. https://thesaurus.plus/related/preliminary_investigation/preliminary_inquiry.
Google Ngram Viewer shows how "preliminary investigation" and "preliminary inquiry" have occurred on timeline