wacko vs weirdling

wacko

noun

  • An amusingly eccentric or irrational person. 

adj

  • Amusingly eccentric or irrational. 

weirdling

noun

  • Someone or something which is odd, weird, strange, or unusual; oddball; weirdie; weirdo. 

adj

  • Strange. 

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