排队

Pinyin: páiduì
Meaning：To line up; queue
Sentence: 咖啡馆人手不够，所以我们不得不排队等候。The cafeteria is short handed so we'll have to wait in line.

More:

排：

Pinyin: pái
Meaning: arrange; put in order; raft; row
Radical: 扌
Stokes: 11
Traditional: 排
Common words/Phrase:
排笔 [páibǐ] 【multiple brush for painting】
牛排 [niúpái] 【steak]】
安排 [ānpái] 【arrange】
竹排 [zhúpái] 【bamboo raft】
排除 [páichú] 【rule out】

队：

Pinyin: duì
Meaning: Team; squadron; group
Radical: 阝
Stokes: 4
Traditional: 隊
Common words/Phrase:
队伍 [duwu] 【troops】
队长 [duzhǎng] 【captain】
队列 [duliè] 【formation】
队员 [duyuán] 【team member】