commensurate vs phase down

commensurate

verb
  • To reduce to a common measure. 

  • To proportionate; to adjust. 

adj
  • Describing a crystal in which every atom or molecule is placed in the same relative position 

  • Of a proportionate or similar measurable standard. 

phase down

verb
  • To gradually reduce the size or scale of 

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