extreme vs oneth

extreme

noun
  • Either of the two numbers at the ends of a proportion, as 1 and 6 in 1:2=3:6. 

  • A drastic expedient. 

  • The greatest or utmost point, degree or condition. 

  • Each of the things at opposite ends of a range or scale. 

adj
  • Of a place, the most remote, farthest or outermost. 

  • Drastic, or of great severity. 

  • Of sports, difficult or dangerous; performed in a hazardous environment. 

  • Excessive, or far beyond the norm. 

  • In the greatest or highest degree; intense. 

oneth

noun
  • A fractional part of an integer ending in one 

  • An ordinal value that is represented by an expression ending in 1 such as the (n + 1)th. 

adj
  • 'first', or other ordinal derivatives of 'one', such as hundred-and-oneth or minus-oneth 

  • Used at the end of algebraic expressions indicating ordinal position that end in 1, such as (k+1)ᵗʰ 

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