I like to collect heteronyms:

Bow (bending your torso) and bow (bow-and-arrow)
Wound (injury) and wound (past of wind)
Wind (strong breeze) and wind (wind a watch)
Tear (rip a page) and tear (liquid from eye)
Minute (60 sec) and minute (very small)
Read and read (past tense of read)
Does (verb? of do) and does (female deer)
Bass (fish) and bass (low freq sound)  ¶ 7:55 AM