irregular vs rinky-dink

irregular

adj
  • rough 

  • without symmetry, regularity, or uniformity 

  • not regular; having sides that are not equal or angles that are not equal 

  • whose faces are not all regular polygons (or are not equally inclined to each other) 

  • nonstandard; not conforming to rules or expectations 

  • not following the regular or expected patterns of inflection in a given language 

noun
  • A soldier who is not a member of an official military force and who may not use regular army tactics. 

  • One who does not regularly attend a venue. 

rinky-dink

adj
  • Crooked; underhanded. 

  • That rinky-dink shelf is likely to collapse if you fill it with books. 

  • Of poor quality; shoddy, small-time, or amateurish. 

  • Tinkling and tinny. 

noun
  • A tinkling, tinny style of music; honky-tonk. 

  • An amateur or someone who is underqualified. 

  • A thingy; a miscellaneous thing or object. 

  • Deceptive or underhanded rigmarole; trickery. 

  • A small-time crook or conman; someone who operates unethically. 

  • Something that is not up to acceptable standards. 

  • A bad deal; the result of a false promise. 

How often have the words irregular and rinky-dink occurred in a corpus of books? (source: Google Ngram Viewer )