after vs till

after

prep
  • Subsequently to; following in time; later than. 

  • In pursuit of, seeking. 

  • In allusion to, in imitation of; following or referencing. 

  • In spite of. 

  • Behind. 

  • Next in importance or rank. 

  • Denoting the aim or object; concerning; in relation to. 

  • Used to indicate recent completion of an activity 

  • As a result of. 

conj
  • Signifies that the action of the clause it starts takes place before the action of the other clause. 

adv
  • Behind; later in time; following. 

adj
  • At or towards the stern of a ship. 

till

prep
  • Until; to, up to; as late as (a given time). 

  • To make it possible that. 

conj
  • Until, until the time that. 

noun
  • A vetch; a tare. 

  • A cash register. 

  • glacial drift consisting of a mixture of clay, sand, pebbles and boulders 

  • manure or other material used to fertilize land 

  • A removable box within a cash register containing the money. 

  • The contents of a cash register, for example at the beginning or end of the day or of a cashier's shift. 

verb
  • To develop so as to improve or prepare for usage; to cultivate (said of knowledge, virtue, mind etc.). 

  • To cultivate soil. 

  • To work or cultivate or plough (soil); to prepare for growing vegetation and crops. 

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