Nipples, also known as mammary glands or teats, are a common feature of the mammalian body. However, the word nipple can be considered improper in some situations. For this reason, there are alternative synonyms that can be used, such as areolas, nips, bosom buttons, teats, or boobies. The term "areolas" refers to the darker pigmented area surrounding the nipple. The word "nips" or "nip" is a more casual way to refer to nipples. "Bosom buttons" are a humorous way of talking about female nipples. "Teats" are typically used when referring to animal nipples. Lastly, "boobies" is a more playful term that is commonly used. Overall, there are multiple options to choose from when referring to such a sensitive topic.