free vs subject

free

adj
  • Not arbitrary or despotic; assuring liberty; defending individual rights against encroachment by any person or class; instituted by a free people; said of a government, institutions, etc. 

  • Of a rocket or missile: not under the control of a guidance system after being launched. 

  • Thrown open, or made accessible, to all; to be enjoyed without limitations; unrestricted; not obstructed, engrossed, or appropriated; open; said of a thing to be possessed or enjoyed. 

  • Without obligations. 

  • With no or only freedom-preserving limitations on distribution or modification. 

  • Without; not containing (what is specified); exempt; clear; liberated. 

  • Privileged or individual; the opposite of common. 

  • (of a morpheme) That can be used by itself, unattached to another morpheme. 

  • Unconstrained. 

  • Unobstructed, without blockages. 

  • Unattached or uncombined. 

  • Not imprisoned or enslaved. 

  • Unconstrained by quantifiers. 

  • Not attached; loose. 

  • Unconstrained of identifiers, not bound. 

  • Unconstrained by timidity or distrust 

  • Intended for release, as opposed to a checked version. 

  • complimentary 

  • Unconstrained by relators. 

  • Obtainable without any payment. 

  • Generous; liberal. 

  • Not currently in use; not taken; unoccupied. 

noun
  • A free transfer. 

  • The usual means of restarting play after a foul is committed, where the non-offending team restarts from where the foul was committed. 

verb
  • To make free; set at liberty; release. 

  • To rid of something that confines or oppresses. 

  • To relinquish (previously allocated memory) to the system. 

adv
  • Without needing to pay. 

subject

adj
  • Placed under the power of another; owing allegiance to a particular sovereign or state. 

  • Placed or situated under; lying below, or in a lower situation. 

  • Conditional upon something; used with to. 

  • Likely to be affected by or to experience something. 

verb
  • To make subordinate or subservient; to subdue or enslave. 

  • To cause (someone or something) to undergo a particular experience, especially one that is unpleasant or unwanted. 

noun
  • A being that has subjective experiences, subjective consciousness, or a relationship with another entity. 

  • The variable in terms of which an expression is defined. 

  • The main topic of a paper, work of art, discussion, field of study, etc. 

  • The main theme or melody, especially in a fugue. 

  • A person ruled over by another, especially a monarch or state authority. 

  • A particular area of study. 

  • A citizen in a monarchy. 

  • In a clause: the word or word group (usually a noun phrase) about whom the statement is made. In active clauses with verbs denoting an action, the subject and the actor are usually the same. 

  • That of which something is stated. 

  • An actor; one who takes action. 

  • A human, animal or an inanimate object that is being examined, treated, analysed, etc. 

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