tramper vs tripper

tramper

noun
  • One who tramps. 

  • A recreational hiker. 

  • A mechanism which pounds material into a more compact form for further processing; found for example in cotton gins and trash processors. 

  • A ship, typically a bulk freighter, which does not travel on a fixed route; compare liner. 

tripper

noun
  • One who trips or stumbles. 

  • A person experiencing a hallucinogenic trip. 

  • A tourist. 

  • Synonym of tripman 

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