丘, a pictographic character of a mound, serves as semantic as well as phonetic component to form characters. Characters formed by the semantic component 丘 express meanings related to hill or mound.
Characters formed by the semantic component 丘
岳 虗 屔 yuè xū ní
Characters formed by the phonetic component 丘
蚯 邱 have the same pronunciation qiū
Attention: 乒乓兵 are not related to 丘