paroxysm /parˈok-si-zm/

1. A fit of acute pain
2. A sudden recurrence of symptoms
3. A fit of passion, laughter, coughing, etc
4. Any sudden violent action

paroxysˈmal adjective

• offers
• offertories
• offertory
• offer up
• of few words
• off-fore
• off-grid
• off guard
• offhand
• offhanded
• offhandedly
• offhandedness
• offhandednesses
• offhand grinding
• office
• office-bearer
• office-bearers
• office block
• office blocks
• office-book
• office-books
• office boy
• office boys
• office girl
• office girls