Rarer
Unusual and rarer are semantically related. in exceptional topic. In some cases you can use "Unusual" instead an adjective "Rarer".
Mutual synonyms
Both words in one sentence
- REGARDS rings (Ruby, Emerald, Garnet, Amethyst, Ruby, Diamond, Sapphire) are acrostic jewellery, for example, although many rarer and unusual stones are required to fill other letters.
Source: Newer Than They Think -
Strangely, before the '90s Brachiosaurus was an unusual sight in cinema, much rarer than "Brontosaurus" and Diplodocus despite its record-size.
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What's even rarer, and quite unusual, is when a member of a non-Jennerit race is allowed to become Sustained.
Source: Immortality Inducer
Cite this Source
Unusual and Rarer. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/rarer/unusual
Rarer & Unusual. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/rarer/unusual>.
Unusual or Rarer. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/rarer/unusual.
Google Ngram Viewer shows how "rarer" and "unusual" have occurred on timeline