sem·i·an·nu·al 
(sĕm′ē-ăny-əl, sĕm′ī-)
(sĕm′ē-ăny-əl, sĕm′ī-)adj.
Occurring or issued twice a year.
sem′i·annu·al·ly adv.
- prescreen
- prescribe
- prescriber
- prescript
- prescriptibility
- prescriptible
- prescription
- prescriptive
- prescriptively
- prescriptiveness
- prescriptivism
- prescriptivist
- preseason
- preselect
- preselection
- presell
- presence
- presence of mind
- present
- present
- presentability
- presentable
- presentableness
- presentably
- present arms