pinyin: jiāo

Chinese phrase: 交通 jiāo tōng - traffic
交流经验 jiāo liú jīng yàn - exchange experiences

Examples:
郊
pinyin: jiāo;
Chinese phrase: 郊外 jiāo wai
- suburbs, outskirts
郊游 jiāo yóu - outing, excursion

胶
pinyin: lán;
Chinese phrase: 胶水jiāo shuǐ - glue
橡胶 xiàng jiāo - rubber

饺
pinyin: jiǎo;
Chinese phrase: 饺子 jiǎo zǐ - dumplings