rancour or US rancor /rangˈkər/

1. Harboured bitterness of mind, speech, etc
2. Deep-seated enmity
3. Spite
4. Virulence
5. Sourness (Shakespeare)

ranˈcorous adjective

ranˈcorously adverb

• plethorically
• plethysmograph
• plethysmographs
• pleuch
• pleuchs
• pleugh
• pleughs
• pleura
• pleurae
• pleural
• pleurapophyses
• pleurapophysis
• pleurisies
• pleurisy
• pleurisy-root
• pleuritic
• pleuritical
• pleuritics
• pleuritis
• pleuritises
• pleurodont
• pleurodynia
• pleurodynias
• pleuron
• Pleuronectes