Back-up
Preference and back-up are semantically related. in possible choice topic. In some cases you can use "Preference" instead a noun phrase "Back-up".
Preference
Preference noun - A person or thing that is preferred over others.
Cite this Source
Preference and Back-up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/back-up/preference
Back-up & Preference. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/back-up/preference>.
Preference or Back-up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/back-up/preference.