empierce or emperce /em-pērsˈ/ (Spenser)

To pierce

• unspeakable
• unspeakableness
• unspeakablenesses
• unspeakably
• unspeaking
• unspeaks
• unspecialised
• unspecialized
• unspecific
• unspecified
• unspectacled
• unspectacular
• unspeculative
• unsped
• unspell
• unspelled
• unspelling
• unspells
• unspent
• unsphere
• unsphered
• unspheres
• unsphering
• unspi'd
• unspide