1. interest expense interest paid on loans
  2. interestedness the state of being interested
  3. interestingness the power of attracting or holding one's attention
  4. interesting catching or holding your attention
  5. interdependence a relation between entities that rely on each other
  6. trade expense ordinary and necessary expenses incurred in a taxpayer's business or trade
  7. indirect expression an indirect way of expressing something
  8. intermittent stopping and starting at irregular intervals
  9. interest group (usually plural) a social group whose members control some field of activity and who have common aims
  10. incidental expense (frequently plural) an expense not budgeted or not specified
  11. intersperse introduce into one's writing or speech (certain expressions)
  12. enterostenosis abnormal narrowing of the intestine
  13. Internet Explorer a commercial browser
  14. interest-bearing of financial obligations on which interest is paid
  15. intermittence the quality of being intermittent
  16. interstellar space the space between stars
  17. interspecies arising or occurring between species
  18. interest a sense of concern with and curiosity about something
  19. interdepend be connected
  20. minor expense (frequently plural) an expense not budgeted or not specified