exceptional vs similar

exceptional

adj
  • Corresponding to something of lower dimension under a birational correspondence. 

  • Forming an exception; not ordinary; uncommon; rare. 

  • Better than the average; superior due to exception or rarity. 

noun
  • An exception, or something having an exceptional value 

similar

noun
  • That which is similar to, or resembles, something else, as in quality, form, etc. 

  • A material that produces an effect that resembles the symptoms of a particular disease. 

adj
  • Of geometrical figures including triangles, squares, ellipses, arcs and more complex figures, having the same shape but possibly different size, rotational orientation, and position; in particular, having corresponding angles equal and corresponding line segments proportional; such that one can be had from the other using a sequence of rotations, translations and scalings. 

  • Of two square matrices; being such that a conjugation sends one matrix to the other. 

  • Having traits or characteristics in common; alike, comparable. 

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