NotHumpEqual[x, y, ...] displays as x \[NotHumpEqual] y \[NotHumpEqual] ....
NotLessEqual[x, y, ...] displays as x \[NotLessEqual] y \[NotLessEqual] ....
NotLess
(Built-in Mathematica Symbol) NotLess[x, y, ...] displays as x \[NotLess] y \[NotLess] ....
NotLessTilde[x, y, ...] displays as x \[NotLessTilde] y \[NotLessTilde] ....
NotReverseElement[x, y, ...] displays as x \[NotReverseElement] y \[NotReverseElement] ....
NotSubsetEqual[x, y, ...] displays as x \[NotSubsetEqual] y \[NotSubsetEqual] ....
NotSubset[x, y, ...] displays as x \[NotSubset] y \[NotSubset] ....
NotSupersetEqual[x, y, ...] displays as x \[NotSupersetEqual] y \[NotSupersetEqual] ....
NotSuperset[x, y, ...] displays as x \[NotSuperset] y \[NotSuperset] ....
NotTildeEqual[x, y, ...] displays as x \[NotTildeEqual] y \[NotTildeEqual] ....