Concentrate
Concentrate verb - To increase the amount of (a substance in a mixture) by removing other substances.
Kill and concentrate are semantically related. In some cases you can use "Kill" instead a verb "Concentrate".
Kill
Kill verb - To deprive of life.
Concentrate and kill are semantically related. Sometimes you can use "Concentrate" instead a verb "Kill".
Both words in one sentence
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Someone uses a magnifying glass or similar optical instrument to concentrate sunlight to kill, burn, or melt something.
Source: Solar-Powered Magnifying Glass -
While they occasionally kill zombies, they concentrate on humans, saying they provide more of a challenge and are "worth more points".
Source: Hunting the Most Dangerous Game - They can also bite to kill or not by choice (and with practice can leave no mark at all), can see themselves in mirrors if they concentrate, and the more modern ones don't feed on humans directly.
Source: Literature / Family Bites
Cite this Source
Kill and Concentrate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/concentrate/kill
Concentrate & Kill. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/concentrate/kill>.
Kill or Concentrate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/concentrate/kill.
Google Ngram Viewer shows how "concentrate" and "kill" have occurred on timeline