gusla /gooˈslə/, gusle /-sle/ or gusli /-slē/

1. A one-stringed Balkan musical instrument
2. A Russian instrument with several strings

• grummer
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• grummet-hole
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• grumness
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• grumose
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• grump
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• grumphie
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• grumphing
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• grumpier
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• grumpiness
• grumpinesses
• grumping