deform vs unshapen

deform

adj
  • Having an unusual and unattractive shape; deformed, misshapen; hence, hideous, ugly. 

verb
  • To change the form of (something), usually thus making it disordered or irregular; to give (something) an abnormal or unusual shape. 

  • To alter the shape of (something) by applying a force or stress. 

  • To change the look of (something), usually thus making it imperfect or unattractive; to give (something) an abnormal or unusual appearance. 

  • To become changed in shape or misshapen. 

  • To mar the character or quality of (something). 

unshapen

adj
  • Shapeless; misshapen; deformed; ugly. 

verb
  • Synonym of unshape 

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