grouse² /grows/

To grumble

A grumble

grousˈer noun

• ribonuclease
• ribonucleases
• ribonucleic acids
• ribonucleotide
• ribonucleotides
• ribose
• riboses
• ribosomal
• ribosomal RNA
• ribosome
• ribosomes
• ribozyme
• ribozymes
• rib-plough
• rib-roast
• rib-roasted
• rib-roaster
• rib-roasters
• rib-roasting
• rib-roasts
• ribs
• ribston
• ribstone
• ribstones
• Ribston pippin