si·nus·i·tis 
(sī′nə-sītĭs)
(sī′nə-sītĭs)n.
Inflammation of the sinuses or a sinus, especially in the nasal region.
- restorative justice
- restoratively
- restore
- restorer
- restrain
- restrainable
- restrained
- restrainedly
- restrainer
- restraining order
- restraint
- restraint of trade
- restrict
- restricted
- restrictedly
- restricter
- restriction
- restriction enzyme
- restrictionism
- restrictionist
- restrictive
- restrictively
- restrictiveness
- restrictor
- restrike