Smoothening vs Straightening - What's the difference?

smoothening | straightening |

As verbs the difference between smoothening and straightening

is that smoothening is while straightening is .

As a noun straightening is

the act of making something straight.

Smoothing vs Smoothening - What's the difference?

smoothing | smoothening |

As verbs the difference between smoothing and smoothening

is that smoothing is while smoothening is .

As a noun smoothing

is the act by which something is made smooth.