Nightmares
Qualms and nightmares are semantically related. In some cases you can use "Qualms" instead a noun "Nightmares".
Qualms
Nightmares and qualms are semantically related. Sometimes you can use "Nightmares" instead a noun "Qualms".
Mutual synonyms
Both words in one sentence
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The spider-wolves, however, look very much like things out of nightmares — even Eldritch Abominations — which gives officers qualms even after they become the first race humanity can actually establish friendly relations with, and they fight together against the bear cows.
Source: What Measure Is a Non-Cute?
Cite this Source
Qualms and Nightmares. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/nightmares/qualms
Nightmares & Qualms. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/nightmares/qualms>.
Qualms or Nightmares. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/nightmares/qualms.
Google Ngram Viewer shows how "nightmares" and "qualms" have occurred on timeline