Signals
Smoke detectors and signals are semantically related. In some cases you can use "Smoke detectors" instead a noun "Signals".
Smoke detectors
Signals and smoke detectors are semantically related. You can use "Signals" instead a noun phrase "Smoke detectors".
Cite this Source
Smoke detectors and Signals. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/signals/smoke_detectors
Signals & Smoke detectors. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/signals/smoke_detectors>.
Smoke detectors or Signals. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/signals/smoke_detectors.
Google Ngram Viewer shows how "signals" and "smoke detectors" have occurred on timeline