Backup
Backup noun - A crowded mass (as of cars) that impedes or blocks movement.
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Synonyms for Backup
Proof and backup are semantically related. In some cases you can use "Proof" instead a noun "Backup".
Nearby Word: backing
Proof
Proof noun - Something presented in support of the truth or accuracy of a claim.
Mutual synonyms
How words are described
Both words in one sentence
- Odin Eidilon then checks his own memory against a backup memory he had kept in a time-proof safe to confirm his suspicions.
Source: Ripple Effect-Proof Memory -
Hidden Backup Prince Humans Are Bastards: Daphne's proof that no Westerners had been in the Islanders cave before her (And thus could not have planted the artifacts she found there) stems from this trope.
Source: Literature / Nation
Cite this Source
Proof and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/proof
Backup & Proof. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/proof>.
Proof or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/proof.
Google Ngram Viewer shows how "backup" and "proof" have occurred on timeline