This puzzle has three sets of ___

• Dear and deer, e.g.
• Skate and skate? Oh m-my, son will go sprawling!
• B, be, and bee, e.g
• "Two" and "too," for example
• Rose and rows, e.g
• Common features of wordplay
• Potential source of verbal misunderstanding
• Bear-bare, hair-hare, etc

Wiktionary Word definitions in Wiktionary
n. (plural of homonym English)