lengthen 00748 ## 'arak {aw-rak'} ; a primitive root ; to be (causative , make) long (literally or figuratively) : -- defer , draw out , {lengthen} , (be , become , make , pro-) long , + (out-, over-) live , tarry (long) .
lengthen 3373 - mekuno {may-koo'-no}; from 3372; to {lengthen}, i.e. (middle voice) to enlarge: -- grow up.