knotty Question ~ please

[! MiDo AhmeD]

I have been searching out those words' meaning but alas I still do not perceive thier meanings in Arabic accurately



so , please help me in finding out thier meanings


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the words meant are
tenable - untenable - tenableness - tenably

thanks a lot

ولو فى أمثلة هيكون جميل كبير جداً من حضراتكم . بارك الله فيكم