Boon and Kos

Boon

Boon noun - A thing that helps.

Kos is an antonym for boon.

Kos

Kos noun - (in India) a unit of length having different values in different localities.

Boon is an antonym for kos in topics: defeat, overthrow.
Cite this Source
Kos and Boon. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/boon/kos
Boon & Kos. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/boon/kos>.
Kos or Boon. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/boon/kos.
Google Ngram Viewer shows how "boon" and "kos" have occurred on timeline