old woman vs wifelet

old woman

noun
  • One's wife. 

  • One's mother. 

  • An elderly woman. 

  • A person (irrespective of age or sex) who is always complaining about his or her situation. 

  • The plant sea wormwood. 

wifelet

noun
  • A wife. 

  • A long-term girlfriend; a mistress (the “other woman” in an extramarital relationship). 

  • A wife who is of small stature. 

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