inquiry

About 18.19 uses per million words.

Meaning

1. noun The act of inquiring; a seeking of information by asking questions; interrogation; a question or questioning.
2. noun A search for truth, information, or knowledge; examination of facts or principles; research; investigation; inquest.

   Scientific inquiry

3. noun ↑ Google Books Ngram Viewer
4. noun ↑ See Pam Peters, The Cambridge Guide to English Usage, p. 282.

Similar words

enquiry query question research interrogation inquire questioning querying investigational investigative

Often followed by

into and is in was to as of that

Word family

inquiries