grum /grum/

1. Morose
2. Surly
3. (of a sound) deep in the throat (obsolete)

grumˈly adverb

grumˈness noun

• rhino-
• rhino bars
• rhinocerical
• rhinoceros
• rhinoceros beetle
• rhinoceros beetles
• rhinoceros bird
• rhinoceros birds
• rhinoceroses
• rhinocerot
• rhinocerote
• rhinocerotes
• rhinocerotic
• Rhinocerotidae
• Rhinodon
• rhinolalia
• rhinolalias
• rhinolith
• rhinoliths
• rhinological
• rhinologies
• rhinologist
• rhinologists
• rhinology
• rhinopharyngitis