un·change·a·ble 
(ŭn-chānjə-bəl)
(ŭn-chānjə-bəl)adj.
Not to be altered; immutable: the unchangeable seasons.
un·change′a·bili·ty, un·changea·ble·ness n.
un·changea·bly adv.
- resourcefully
- resourcefulness
- resp.
- respect
- respectability
- respectable
- respectableness
- respectably
- respecter
- respectful
- respectfully
- respectfulness
- respecting
- respective
- respectively
- respectiveness
- respell
- Respighi
- respirability
- respirable
- respiration
- respirational
- respirator
- respiratory
- respiratory acidosis