an vs next to

an

prep
  • In each; to or for each; per. 

num
  • one 

noun
  • The first letter of the Georgian alphabet, ა (Mkhedruli), Ⴀ (Asomtavruli) or ⴀ (Nuskhuri). 

article
  • Used before one and words with initial u, eu. 

  • Used before a vowel sound. 

  • Used before all consonants. 

  • Used before /h/ in an unstressed syllable. 

  • Used before /h/ in a stressed syllable. 

next to

prep
  • Compared to, in comparison with. 

  • Beside, alongside, by, adjacent to, or near. 

  • Immediately after, in choice or consideration; aside from. 

adv
  • Almost; nearly, well-nigh. 

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