Black boxes
Instruments and black boxes are semantically related. In some cases you can use "Instruments" instead a noun phrase "Black boxes".
Instruments
Black boxes and instruments are semantically related. Sometimes you can use "Black boxes" instead a noun "Instruments".
Mutual synonyms
Cite this Source
Instruments and Black boxes. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/black_boxes/instruments
Black boxes & Instruments. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/black_boxes/instruments>.
Instruments or Black boxes. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/black_boxes/instruments.
Google Ngram Viewer shows how "black boxes" and "instruments" have occurred on timeline