thread vs vein

thread

noun
  • Composition; quality; fineness. 

  • A sequence of connections. 

  • A filament, as of a flower, or of any fibrous substance, as of bark. 

  • A long, thin and flexible form of material, generally with a round cross-section, used in sewing, weaving or in the construction of string. 

  • A screw thread. 

  • A unit of execution, lighter in weight than a process, usually sharing memory and other resources with other threads executing concurrently. 

  • The line midway between the banks of a stream. 

  • A continued theme or idea. 

  • A series of messages, generally grouped by subject, in which all messages except the first are replies to previous messages in the thread. 

verb
  • To put thread through. 

  • To remove the hair using a thread. 

  • To pass (through a narrow constriction or around a series of obstacles). 

  • To screw on; to fit the threads of a nut on a bolt. 

vein

noun
  • A style, tendency, or quality. 

  • A blood vessel that transports blood from the capillaries back to the heart. 

  • In leaves, a thickened portion of the leaf containing the vascular bundle. 

  • The entrails of a shrimp. 

  • A sheetlike body of crystallized minerals within a rock. 

  • The nervure of an insect’s wing. 

  • A topic of discussion; a train of association, thoughts, emotions, etc. 

  • A fissure, cleft, or cavity, as in the earth or other substance. 

  • A stripe or streak of a different colour or composition in materials such as wood, cheese, marble or other rocks. 

verb
  • To mark with veins or a vein-like pattern. 

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