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

• mycoplasma
• mycoplasmas
• mycoplasmata
• mycorhiza
• mycorhizae
• mycorhizal
• mycorrhiza
• mycorrhizae
• mycorrhizal
• mycoses
• mycosis
• mycotic
• mycotoxicoses
• mycotoxicosis
• mycotoxin
• mycotoxins
• mycotrophic
• mydriases
• mydriasis
• mydriatic
• mydriatics
• myel-
• myelin
• myelinated
• myelinic