cerebellum vs ganglion

cerebellum

noun
  • Part of the hindbrain in vertebrates. In humans it lies between the brainstem and the back of the cerebrum and is formed of two lateral lobes and a median lobe. It plays an important role in sensory perception, motor output, balance and posture. 

ganglion

noun
  • Any of certain masses of gray matter in the central nervous system, as the basal ganglia. 

  • An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber. 

  • A centre of intellectual or industrial force, activity, etc. 

  • A benign cystic tumour on a tendon sheath or joint capsule. 

How often have the words cerebellum and ganglion occurred in a corpus of books? (source: Google Ngram Viewer )