ଅର୍ଥ : Amount or degree or range to which something extends.
ଉଦାହରଣ :
The wire has an extension of 50 feet.
ସମକକ୍ଷ : extension, prolongation
ଅର୍ଥ : The consequence of being lengthened in duration.
ସମକକ୍ଷ : continuation, prolongation, protraction