1. Coinciding exactly when superimposed
   - identical

See also: congruent

• heroin addict
• heroin addiction
• heroine
• heroism
• heron
• heron's bill
• heronry
• herpangia
• herpes
• herpes encephalitis
• herpes genitalis
• herpes labialis
• herpes simplex
• herpes simplex 1
• herpes simplex 2
• herpes simplex encephalitis
• herpes simplex virus
• herpes varicella zoster
• herpes varicella zoster virus
• herpes virus
• herpes zoster
• herpes zoster virus
• Herpestes
• Herpestes ichneumon
• Herpestes nyula