party-coloured vs skewbald

party-coloured

adj

  • Coloured with different tints; variegated. 

skewbald

adj

  • Marked with patches of white and non-black colours. 

noun

  • A skewbald horse. 

How often have the words party-coloured and skewbald occurred in a corpus of books? (source: Google Ngram Viewer )