badge vs seal

badge

noun
  • A distinctive mark, token, sign, emblem or cognizance, worn on one's clothing, as an insignia of some rank, or of the membership of an organization. 

  • A police officer. 

  • Something characteristic; a mark; a token. 

  • A small overlay on an icon that shows additional information about that item, such as the number of new alerts or messages. 

  • A carved ornament on the stern of a vessel, containing a window or the representation of one. 

  • A small nameplate, identifying the wearer, and often giving additional information. 

  • A card, sometimes with a barcode or magnetic strip, granting access to a certain area. 

  • A distinctive mark worn by servants, retainers, and followers of royalty or nobility, who, being beneath the rank of gentlemen, have no right to armorial bearings. 

  • An icon or emblem awarded to a user for some achievement. 

verb
  • To show a badge to. 

  • To mark or distinguish with a badge. 

  • To enter a restricted area by showing one's badge. 

seal

noun
  • A design or insignia usually associated with an organization or an official role. 

  • An impression of such stamp on wax, paper or other material used for sealing. 

  • A bearing representing a creature something like a walrus. 

  • Anything that secures or authenticates. 

  • A tight closure, secure against leakage. 

  • Something which will be visibly damaged if a covering or container is opened, and which may or may not bear an official design. 

  • A chakra. 

  • Confirmation or approval, or an indication of this. 

  • A stamp used to impress a design on a soft substance such as wax. 

  • Something designed to prevent liquids or gases from leaking through a joint. 

  • A pinniped (Pinnipedia), particularly an earless seal (true seal) or eared seal. 

verb
  • To place a seal on (a document). 

  • To confirm or set apart as a second or additional wife. 

  • To guarantee. 

  • To fasten (something) so that it cannot be opened without visible damage. 

  • To close securely to prevent leakage. 

  • To place in a sealed container. 

  • To prevent people or vehicles from crossing (something). 

  • To tie up animals (especially cattle) in their stalls. 

  • To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality. 

  • To form a sacred commitment. 

  • To hunt seals. 

  • To place a notation of one's next move in a sealed envelope to be opened after an adjournment. 

  • To fix, as a piece of iron in a wall, with cement or plaster, etc. 

  • To close by means of a seal. 

  • To fry (meat) at a high temperature to retain the juices. 

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