fleckless vs imperfect

fleckless

adj
  • Without flecks or spots. 

  • Without blame; faultless. 

imperfect

verb
  • to make imperfect 

noun
  • something having a minor flaw 

  • a tense of verbs used in describing a past action that is incomplete or continuous 

adj
  • not perfect 

  • belonging to a tense of verbs used in describing a past action that is incomplete or continuous 

  • known or expected to be polyphyletic, as of a form taxon. 

  • unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both. 

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