cynosure /sinˈo- or sīˈnō-shoor or -zhoor/

1. The dog's tail, or Lesser Bear (Ursa Minor), the constellation containing the North Star
2. The North Star itself
3. Hence, anything that strongly attracts attention or admiration
4. Something that acts as a guide

• spellbound
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• spellchecks
• spelldown
• spelldowns
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• spellican
• spellicans
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• spelling bee
• spelling bees
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• spelling pronunciation
• spellings
• spell it out