Smoke detectors
Signals and smoke detectors are semantically related. In some cases you can use "Signals" instead a noun phrase "Smoke detectors".
Signals
Smoke detectors and signals are semantically related. You can use "Smoke detectors" instead a noun "Signals".
Cite this Source
Signals and Smoke detectors. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/smoke_detectors/signals
Smoke detectors & Signals. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/smoke_detectors/signals>.
Signals or Smoke detectors. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/smoke_detectors/signals.
Google Ngram Viewer shows how "smoke detectors" and "signals" have occurred on timeline