petite vs ultrasmall

petite

adj
  • of small size. 

  • Small, little; insignificant; petty. 

  • fairly short and of slim build. 

noun
  • A mutant first discovered in the yeast Saccharomyces cerevisiae, forming small colonies when grown in the presence of fermentable carbon sources such as glucose. 

ultrasmall

adj
  • Extremely or exceedingly small 

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