1000-metre vs millionth

1000-metre

adj

  • Covering or comprising a distance of 1000 metres. 

  • Having a height of 1000 metres. 

millionth

adj

  • The ordinal form of the number one million. 

noun

  • The person or thing in the millionth position. 

  • One of a million equal parts of a whole. Term ppm (parts per million) is also used. 

How often have the words 1000-metre and millionth occurred in a corpus of books? (source: Google Ngram Viewer )