1. endearment the act of showing affection
  2. increment the amount by which something increases
  3. uncertainty the state of being unsure of something
  4. interment the ritual placing of a corpse in a grave
  5. excrement waste matter discharged from the body
  6. instrument the means whereby some act is accomplished
  7. experiment the act of conducting a controlled test or investigation
  8. incitement an act of urging on or spurring on or rousing to action or instigating
  9. wonderment the feeling aroused by something strange and surprising
  10. encirclement a war measure that isolates some area of importance to the enemy
  11. unceremonious without ceremony or formality
  12. insurgent in opposition to a civil authority or government
  13. incriminate suggest that someone is guilty
  14. incremental increasing gradually by regular degrees or additions
  15. informant a person who supplies facts, knowledge, or news
  16. in agreement united by being of the same opinion
  17. unceremonial without ceremony or formality
  18. undermanned inadequate in number of workers or assistants etc.
  19. encasement the act of enclosing something in a case
  20. instrumental serving or acting as a means or aid