flock vs raft

flock

noun
  • A number of birds together in a group, such as those gathered together for the purpose of migration. 

  • A large number of animals associated together in a group; commonly used of sheep, but (dated) also used for goats, farmed animals, and a wide variety of animals. 

  • Very fine sifted woollen refuse, especially that from shearing the nap of cloths, formerly used as a coating for wallpaper to give it a velvety or clothlike appearance; also, the dust of vegetable fibre used for a similar purpose. 

  • A large number of people. 

  • Those served by a particular pastor or shepherd.herd/flock 

  • Coarse tufts of wool or cotton used in bedding. 

  • A religious congregation. 

  • A lock of wool or hair. 

verb
  • To cover a Christmas tree with artificial snow. 

  • To coat a surface with dense fibers or particles; especially, to create a dense arrangement of fibers with a desired nap. 

  • To treat a pool with chemicals to remove suspended particles. 

  • To congregate in or head towards a place in large numbers. 

raft

noun
  • A thick crowd of seabirds or sea mammals, particularly a group of penguins when in the water. 

  • A mass of congealed solids that forms on a consommé because of the protein in the egg white. 

  • Any flattish thing, usually wooden, used in a similar fashion. 

  • A collection of logs, fallen trees, etc. which obstructs navigation in a river. 

  • A slice of toast. 

  • A flat-bottomed craft able to float and drift on water, used for transport or as a waterborne platform. 

  • A square array of sensors forming part of a large telescope. 

  • A large (but unspecified) number, a lot. 

verb
  • To convey on a raft. 

  • To make into a raft. 

  • To travel by raft. 

  • To dock (toolbars, etc.) so that they share horizontal or vertical space. 

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