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

• compulsatory
• compulse
• compulsed
• compulses
• compulsing
• compulsion
• compulsionist
• compulsionists
• compulsion neurosis
• compulsions
• compulsitor
• compulsitors
• compulsive
• compulsively
• compulsories
• compulsorily
• compulsoriness
• compulsory
• compulsory purchase
• compulsory purchases
• compunction
• compunctions
• compunctious
• compunctiously
• compurgation