pneumonia
noun /njuːˈməʊniə/
  /nuːˈməʊniə/
 [uncountable]- a serious illness affecting one or both lungs that makes breathing difficult- She died from bronchial pneumonia.
 Oxford Collocations Dictionaryadjective- severe
- bronchial
- double
- …
 - bout
 - have
- suffer from
- catch
- …
 Word Originearly 17th cent.: via Latin from Greek, from pneumōn ‘lung’.