loam vs silt

loam

verb
  • To cover, smear, or fill with loam. 

adj
  • Made of loam; consisting of loam. 

noun
  • A mixture of sand, clay, and other materials, used in making moulds for large castings, often without a pattern. 

  • A type of soil; an earthy mixture of sand, silt and clay, with organic matter to which its fertility is chiefly due. 

silt

verb
  • To clog or fill with silt. 

  • To flow through crevices; to percolate. 

  • To become clogged with silt. 

noun
  • Mud or fine earth deposited from running or standing water. 

  • Material with similar physical characteristics, whatever its origins or transport. 

  • A particle from 3.9 to 62.5 microns in diameter, following the Wentworth scale. 

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