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usefulness [usefulnesses]▼(quality of being useful)noun[UK: ˈjuː.sfəl.nəs] [US: ˈjuː.sfəl.nəs]
utility [utilities]▼(state or condition of being useful)noun[UK: juː.ˈtɪ.lɪ.ti] [US: juː.ˈtɪ.lə.ti]
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