stilted vs unmannered

stilted

adj
  • Elevated or raised in a contrived or unnatural way; stiff and artificially formal or pompous; also, depending on redundant, unnecessary elements. 

  • Making use of or possessing a stilt or stilts, or things resembling stilts; raised on stilts. 

  • Of a building or architectural feature such as an arch or vault: supported by stilts (“supporting pillars or posts”); also (generally) having the main part raised above the usual level by some structure. 

unmannered

adj
  • Having poor manners or social skills; ill-mannered; rude. 

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