hump vs prang

hump

verb
  • To shunt wagons / freight cars over the hump in a hump yard. 

  • To carry (something), especially with some exertion. 

  • To bend something into a hump. 

  • To dry-hump. 

  • To have sex (with). 

noun
  • A mound of earth. 

  • An act of sexual intercourse. 

  • A bad mood. 

  • A speed bump or speed hump. 

  • A wave that forms in front of an operating hovercraft and impedes progress at low speeds. 

  • A rounded fleshy mass, such as on a camel or zebu. 

  • A painfully boorish person. 

  • A deformity in humans caused by abnormal curvature of the upper spine. 

prang

verb
  • To crash; to have an accident while controlling a vehicle. 

  • To damage (the vehicle one is driving) in an accident; to have a minor collision with (another motor vehicle). 

noun
  • A type of tower or spire featured in some Buddhist temples of Cambodia and Thailand. 

  • An accident involving a motor vehicle, typically minor and without casualties. 

  • Crack cocaine. 

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