ul·tra·ism 
(ŭltrə-ĭz′əm)
(ŭltrə-ĭz′əm)n.
Extremism, especially in politics or government; radicalism.
ultra·ist n.
- Pennsylvania
- Pennsylvania Dutch
- Pennsylvanian
- penny
- penny
- penny ante
- pennycress
- penny loafer
- penny pincher
- penny pinching
- penny-pinching
- pennyroyal
- pennyweight
- pennywhistle
- penny whistle
- penny-wise
- pennywise
- pennywort
- pennyworth
- Penobscot
- Penobscot River
- penological
- penologically
- penologist
- penology