per vs sie

per

pron
  • They (singular). Gender-neutral neologistic third-person singular subject pronoun, coordinate with gendered pronouns he and she. 

  • Them (singular) Neologistic gender-neutral third-person singular object pronoun, suggested for use in place of him and her. 

adj
  • Belonging to per, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with gendered his and her. 

prep
  • In accordance with, as per 

  • For each. 

  • By the, by means of the, via the, through the. 

  • To each, in each (used in expressing ratios of units). 

sie

pron
  • Gender-neutral subject pronoun, grammatically equivalent to the gendered pronouns he and she 

noun
  • A drop. 

verb
  • To strain, as milk; filter. 

  • To drop, as water; trickle. 

  • To fall, as in a swoon; faint. 

  • To sift. 

  • To sink; fall; drop. 

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