clump vs seedling

clump

noun
  • A small group of trees or plants. 

  • A thick group or bunch, especially of bushes or hair. 

  • A cluster or lump; an unshaped piece or mass. 

  • A dull thud. 

  • A thick addition to the sole of a shoe. 

  • The compressed clay of coal strata. 

verb
  • To gather in dense groups. 

  • To form clusters or lumps. 

  • To walk with heavy footfalls. 

  • To strike; to beat. 

seedling

noun
  • a tree smaller than a sapling. 

  • one grown in a nursery for transplanting. 

  • A young plant grown from seed. 

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