Here's what rhymes with embellishment.

Consider these alternatives

elaboration / operation ornamentation / operation affectation / operation exaggeration / operation beading / leading hyperbole / be ostentation / operation flamboyance / annoyance sensationalism / given frivolity / quality reinterpretation / population curlicues / whose filigree / be obviate / state eclecticism / position needlework / work emotionalism / given gilding / building decorative / executive panache / was