a- vs trans-

a-

prefix
  • In the direction of, or toward. 

  • Towards; Used to indicate direction, reduction to, increase to, change into, or motion. 

  • Forming verbs with the sense away, up, on, out. 

  • Forming verbs with the sense of intensified action. 

  • In, on, at; used to show a state, condition, or manner. Also passing into sense 2. 

  • Away from. 

  • Of, from. 

  • Used as a prefix to verbs in the sense of remaining in the same condition. Actively doing something. 

  • In, into. Also passing into sense 5. 

  • A syllable added by a speaker supposed to be Italian, or used to mimic or mock Italian accents; a pseudo-Italian syllable. 

  • Forming words with the sense of wholly, or utterly out. 

  • Not, without, opposite of. 

  • Used to form the past participle of a verb. 

trans-

prefix
  • To or on the other side of, beyond; outside of. 

  • A compound in which two atoms or groups are situated on opposite sides of some plane of symmetry passing through the compound. (Also used without the hyphen as an adjective; see trans.) 

  • Extending across, through, or over. 

  • Transgender or transsexual, or pertaining to those who are transgender or transsexual. 

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