remora /remˈə-rə/

1. The sucking-fish, formerly believed to stop ships by attaching its sucker
2. An obstacle (figurative)

• faultful
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• faultinesses
• faulting
• faultless
• faultlessly
• faultlessness
• faultlessnesses
• faultline
• faultlines
• fault plane
• fault planes
• faults
• fault tolerance
• faulty
• faun
• fauna
• faunae
• faunal
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• faunist
• faunistic