aisle vs rail

aisle

noun
  • Seat in public transport, such as a plane, train or bus, that's beside the aisle. 

  • Any path through an otherwise obstructed space. 

  • A clear corridor in a supermarket with shelves on both sides containing goods for sale. 

  • A wing of a building, notably in a church separated from the nave proper by piers. 

  • The path of a wedding procession in a church or other venue; (by extension, metonymically) marriage. 

  • An idiomatic divide between the Republican Party and the Democratic Party, who are said to be on two sides of the aisle. 

  • A clear path through rows of seating. 

rail

noun
  • A railroad; a railway, as a means of transportation. 

  • A horizontal bar extending between supports and used for support or as a barrier; a railing. 

  • A large line (portion or serving of a powdery illegal drug). 

  • A conductor maintained at a fixed electrical potential relative to ground, to which other circuit components are connected. 

  • Any of several birds in the family Rallidae. 

  • One of the lengthwise edges of a surfboard. 

  • A horizontal piece of wood that serves to separate sections of a door or window. 

  • The metal bar forming part of the track for a railroad. 

  • A vertical section on one side of a web page. 

verb
  • To enclose with rails or a railing. 

  • To range in a line. 

  • To place on a track. 

  • To sexually penetrate in a rough manner. 

  • To travel by railway. 

  • To complain violently (against, about). 

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