trammel vs unblock

trammel

noun
  • A kind of net for catching birds, fishes, or other prey. 

  • A net for confining a woman's hair. 

  • A kind of shackle used for regulating the motions of a horse and making it amble. 

  • A fishing net that has large mesh at the edges and smaller mesh in the middle 

  • Whatever impedes activity, progress, or freedom, such as a net or shackle. 

  • A set of rings or other hanging devices, attached to a transverse bar suspended over a fire, used to hang cooking pots etc. 

  • An instrument for drawing ellipses, one part of which consists of a cross with two grooves at right angles to each other, the other being a beam carrying two pins (which slide in those grooves), and also the describing pencil. 

  • A beam compass. 

verb
  • To entangle, as in a net. 

  • To confine; to hamper; to shackle. 

unblock

noun
  • The removal of a block or blockage. 

verb
  • To remove or clear a block or obstruction from. 

  • In whist, to throw away a high card so as not to interrupt one's partner's long suit. 

  • To free or make available. 

  • To enable communication again, via telephone, instant messaging, etc., with (somebody previously blocked). 

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