methodical vs randomly

methodical

adj
  • In an organized manner; proceeding with regard to method; systematic. 

  • Arranged with regard to method; disposed in a suitable manner, or in a manner to illustrate a subject, or to facilitate practical observation. 

randomly

adv
  • By random access; at any point at a given time; not sequentially. 

  • In a random manner. 

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