inexpensive vs overboard

inexpensive

adj

  • low in price 

overboard

adj

  • Outside of a boat; in the water. 

verb

  • To throw over the edge of a boat into the water. 

adv

  • Over the edge; especially, off or outside of a boat. 

  • Excessively; too much. 

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