Letter Toolbox

9-letter words starting with COS

Every match in the dictionary, most common first.

18 words found

9-letter words 18

  • cosmeticsa toiletry designed to beautify the body
  • cosmologythe metaphysical study of the origin and nature of the universe
  • cosmonauta person trained to travel in a spacecraft
  • costumerssomeone who designs or supplies costumes (as for a play or masquerade)
  • costliestentailing great loss or sacrifice
  • costumingdress in a costume
  • cosponsorsponsor together with another sponsor
  • cosigningsign jointly
  • costumiersomeone who designs or supplies costumes (as for a play or masquerade)
  • costarred
  • cosmogonythe branch of astrophysics that studies the origin and evolution and structure of the universe
  • cossetingtreat with excessive indulgence
  • costumery
  • coscripts
  • cosecantsratio of the hypotenuse to the opposite side of a right-angled triangle
  • coshering
  • cosignersone of two or more signers of the same document (as a treaty or declaration)
  • costively