Hum
Hum noun - A monotonous sound like that of an insect in motion.
Trace
Trace noun - A mark or series of marks left on a surface by something that has passed along it.
Cite this Source
Trace and Hum. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hum/trace
Hum & Trace. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hum/trace>.
Trace or Hum. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hum/trace.
Google Ngram Viewer shows how "hum" and "trace" have occurred on timeline