cakewalk vs drop in the bucket

cakewalk

noun
  • Something that is easy or simple, or that does not present a great challenge. 

  • A contest in which cake was offered for the best dancers. 

  • The dance, or strutting style of dance associated with such a contest. 

  • The style of music associated with such a contest. 

verb
  • To perform the cakewalk dance. 

drop in the bucket

noun
  • Something of little importance, especially an inconsequential effort or action as compared to a huge problem. 

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