Deadly illness
Killer and deadly illness are semantically related In some cases you can replace term "Killer" with "Deadly illness", this terms are similar.
Killer
Killer noun - A dull, unpleasant, or difficult piece of work.
Deadly illness and killer are semantically related in cause of death topic. You can use "Deadly illness" instead a noun "Killer".
Mutual synonyms
Cite this Source
Killer and Deadly illness. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/deadly_illness/killer
Deadly illness & Killer. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/deadly_illness/killer>.
Killer or Deadly illness. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/deadly_illness/killer.
Google Ngram Viewer shows how "deadly illness" and "killer" have occurred on timeline