#ache__aching  a dull persistent (usually moderately intense) pain
  supertype:  pain__hurting  a symptom of some physical hurt or disorder; "the patient developed severe pain and distension"
  subtype:  toothache__odontalgia  an ache localized in or around a tooth
     subtype:  aerodontalgia  pain in the teeth that results from a change in air pressure (as in flying of mountain climbing)
  subtype:  backache  an ache localized in the back
     subtype:  lumbago  backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
  subtype:  head_ache__headache__cephalalgia  pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs
     subtype:  histamine_headache__histamineheadache__cluster_headache__clusterheadache  a headache associated with the release of histamine from cells
     subtype:  migraine__megrim__sick_headache__hemicrania  a severe recurring vascular headache; occur more frequently in women than men
     subtype:  sick_headache  a headache accompanied by nausea
     subtype:  sinus_headache__sinusheadache  a headache resulting from congestion or infection in the paranasal sinuses
     subtype:  tension_headache__tensionheadache  a headache located at the back of the head; usually caused by body tension resulting from overwork or psychological stress
  subtype:  stomachache__gastralgia  an ache localized in the stomach or abdominal region
  subtype:  earache__otalgia  an ache localized in the middle or inner ear

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