Back-up
Other and back-up are semantically related. in possible choice topic. In some cases you can use "Other" instead the phrase "Back-up" as a noun or an adjective.
Other
Other adjective - Being not of the same kind.
Mutual synonyms
Cite this Source
Other and Back-up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/back-up/other
Back-up & Other. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/back-up/other>.
Other or Back-up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/back-up/other.