1. pet name a name of endearment
  2. pen name an author's pseudonym
  3. part name a word that names a part of a larger whole
  4. metonymy substituting the name of a feature for the name of the thing
  5. petulant easily irritated or annoyed
  6. patina a fine coating of oxide on the surface of a metal
  7. metonym a word that denotes one thing but refers to a related thing
  8. petunia any of numerous tropical herbs having fluted funnel-shaped flowers
  9. Vietnam a communist state in Indochina on the South China Sea
  10. putamen the outer reddish part of the lenticular nucleus
  11. pertainym meaning relating to or pertaining to
  12. peritoneum a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera
  13. Viet Nam a communist state in Indochina on the South China Sea
  14. Panama a republic on the Isthmus of Panama
  15. pettiness the quality of being unimportant and petty or frivolous
  16. Petunia annual or perennial herbs or shrubs of tropical South America
  17. byname a familiar name for a person
  18. pedant a person who pays too much attention to formal rules
  19. ketonemia an abnormal increase of ketone bodies in the blood as in diabetes mellitus
  20. patronym a family name derived from one's father's name