As nouns,
subacute inclusion body encephalitis is a hyponym of
panencephalitis; that is,
subacute inclusion body encephalitis is a
word with a more specific, narrower meaning than
panencephalitis:
- panencephalitis: diffuse inflammation of the entire brain
- subacute inclusion body encephalitis: a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years