axis vs seta

axis

noun
  • The main stem or central part about which organs or plant parts such as branches are arranged 

  • An alliance or coalition. 

  • The second cervical vertebra of the spine 

  • An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry). 

  • An imaginary, visualized plane separating two morphologically similar parts of an organism 

  • A deer native to Asia, of species Axis axis. 

  • A form of classification and descriptions of mental disorders or disabilities used in manuals such as the DSM (Diagnostic and Statistical Manual of Mental Disorders) 

  • A fixed one-dimensional figure, such as a line or arc, with an origin and orientation and such that its points are in one-to-one correspondence with a set of numbers; an axis forms part of the basis of a space or is used to position and locate data in a graph (a coordinate axis) 

seta

noun
  • The stalk of a moss sporangium, or occasionally in a liverwort. 

  • A bristle or hair 

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