poltergeist /pōlˈ or polˈtər-gīst/

1. A mysterious invisible force asserted to throw or move things about
2. A noisy ghost

• unswaddling
• unswai'd
• unswallowed
• unswathe
• unswathed
• unswathes
• unswathing
• unswayable
• unswayed
• unswear
• unswearing
• unswearings
• unswears
• unsweet
• unsweetened
• unswept
• unswerving
• unswervingly
• unswore
• unsworn
• unsyllabled
• unsymmetrical
• unsymmetrically
• unsymmetries
• unsymmetrised