landflood vs sloosh

landflood

noun

  • An overflowing of land by river; an inundation or freshet. 

sloosh

noun

  • A splash or rush of water 

verb

  • To rinse or wash with a flow of water. 

  • To flow with a rush. 

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