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Headache vs Diphenylcyanoarsine - What's the difference?

headache | diphenylcyanoarsine |

As nouns the difference between headache and diphenylcyanoarsine

is that headache is a pain or ache in the head while diphenylcyanoarsine is a chemical compound that forms colourless, garlic-smelling crystals and causes nausea and headaches, used by the Germans during World War I.

headache

English

(wikipedia headache)

Noun

(en noun)
  • A pain or ache in the head.
  • (figurative) A nuisance or unpleasant problem.
    • The clumsy filing system has been a huge headache .

    Synonyms

    * (physical pain) cephalalgia * (annoyance) bother, pain in the neck

    Hyponyms

    * hemicrania * migraine * megrim * tension headache

    diphenylcyanoarsine

    English

    Noun

    (-) (wikipedia diphenylcyanoarsine)
  • A chemical compound that forms colourless, garlic-smelling crystals and causes nausea and headaches, used by the Germans during World War I.