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

• humstrum
• humstrums
• humungous
• humus
• humuses
• humusy
• Humvee
• Hun
• hunch
• hunchback
• hunchbacked
• hunchbacks
• hunched
• hunches
• hunching
• hundred
• hundreder
• hundreders
• hundredfold
• hundred hours
• hundredor
• hundredors
• hundred-per-cent
• hundred-percenter
• hundred-percenters