由两个单词组成的另一个单词

book+shelf=bookshelf
home+land=homeland
motherland
childhood
blackboard
basketball
notebook
homesick
boyfriend
girlfriend
friendship
grandmother
grandfather
grandparents
....
这么些够了没有啊。

graveyard

墓地

swimathon 长距离游泳比赛
underage 未成年的

everyone
football
homework
snowman