question vs thread

question

noun
  • A proposal to a meeting as a topic for deliberation. 

  • A subject or topic for consideration or investigation. 

  • A sentence, phrase or word which asks for information, reply or response; an interrogative. 

  • A doubt or challenge about the truth, accuracy, or validity of a matter. 

verb
  • To ask a question or questions; inquire or seek to know; examine. 

  • To ask questions of; to interrogate; to ask for information. 

  • To raise doubts about; have doubts about. 

thread

noun
  • A continued theme or idea. 

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

  • Composition; quality; fineness. 

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. 

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