なさる => to do (honorific) N4
なさい   => do this (soft/firm command) N4
Order
なさい => do this (soft/firm command) N4
いささか => a bit N3
Evaluate
なさい => Do A (command) N4
Can, Should, Must
~なさんな => (Please) do not, Do not, Don't (prohibitive) N1
Ban
さっぱり…ない => nothing/ absolutely not… N2
Position, perspective
いまさらながら => Still ... now N3
Time
いっさいない => Not at all N2
Emphasize negative meaning
さ => -ness N4
さえ/にさえ/でさえ => Even N3
Not only, Not even
ないでください => please don't do N5