Purring
Thrum
Thrum noun - A monotonous sound like that of an insect in motion.
Mutual synonyms
Cite this Source
Thrum and Purring. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/purring/thrum
Purring & Thrum. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/purring/thrum>.
Thrum or Purring. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/purring/thrum.
Google Ngram Viewer shows how "purring" and "thrum" have occurred on timeline