Opus
Textbook
Textbook noun - A book used for instruction in a subject.
Mutual synonyms
Cite this Source
Textbook and Opus. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/opus/textbook
Opus & Textbook. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/opus/textbook>.
Textbook or Opus. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/opus/textbook.
Google Ngram Viewer shows how "opus" and "textbook" have occurred on timeline