rightening

As a noun terms

is .

As a verb rightening is

.

As verbs the difference between brightening and rightening

is that brightening is present participle of lang=en while rightening is present participle of righten.

As a noun brightening

is an instance of becoming brighter.

As verbs the difference between rightening and tightening

is that rightening is while tightening is .

As a noun tightening is

the act or process of making more tight.

As verbs the difference between lightening and rightening

is that lightening is present participle of lang=en while rightening is present participle of righten.

As a noun lightening

is the sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour.

As verbs the difference between rightening and frightening

is that rightening is while frightening is .

As an adjective frightening is

causing fear; of capable of causing fear; scary.