onanism /ōˈnə-ni-zm/

1. Masturbation
2. Coitus interruptus

• unspecialised
• unspecialized
• unspecific
• unspecified
• unspectacled
• unspectacular
• unspeculative
• unsped
• unspell
• unspelled
• unspelling
• unspells
• unspent
• unsphere
• unsphered
• unspheres
• unsphering
• unspi'd
• unspide
• unspied
• unspilled
• unspilt
• unspirited
• unspiritual
• unspiritualise