Here are some examples:
Homographs with different pronunciations:
* bow (to bend) / bow (a weapon)
* lead (a metal) / lead (to guide)
* minute (a unit of time) / minute (very small)
* read (past tense of read) / read (present tense of read)
* wind (to coil) / wind (air in motion)
Homographs with the same pronunciation:
* bat (a flying mammal) / bat (a piece of equipment used in baseball)
* can (a metal container) / can (to be able to)
* close (to shut) / close (near)
* fair (just) / fair (a gathering)
* fine (of good quality) / fine (a penalty)
Let me know if you'd like more examples or have any other questions!