FUBAR vs malfunctioning

FUBAR

adj
  • Fucked up (or, bowdlerized, fouled up) beyond all recognition (or beyond all repair, or beyond all reason, or beyond any recovery). 

malfunctioning

noun
  • A malfunction. 

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