邮 ⇒
邮件 yóujiàn, [郵件], mail/post/email
邮 yóu, [郵], post (office)/mail
邮箱 yóuxiāng, [郵箱], mailbox/post office box/email/email inbox
邮局 yóujú, [郵局], post office/CL:家[jiā],個|个[gè]
邮票 yóupiào, [郵票], (postage) stamp/CL:枚[méi],張|张[zhāng]
邮差 yóuchāi, [郵差], (old) postman
邮递员 yóudìyuán, [郵遞員], mailman
邮报 Yóubào, [郵報], Post (in the name of a newspaper)
邮寄 yóujì, [郵寄], to mail/to send by post
邮戳 yóuchuō, [郵戳], postmark
邮政 yóuzhèng, [郵政], postal service/postal
邮购 yóugòu, [郵購], mail order/to purchase by mail
邮筒 yóutǒng, [郵筒], mailbox/pillar box/(old) letter
邮轮 yóulún, [郵輪], ocean liner/cruise liner
邮编 yóubiān, [郵編], postal code/zip code
邮包 yóubāo, [郵包], postal parcel/parcel
邮递 yóudì, [郵遞], to mail/to deliver (through the post)
邮车 yóuchē, [郵車], mail van/mail coach
集邮 jíyóu, [集郵], stamp collecting/philately
邮政编码 yóuzhèngbiānmǎ, [郵政編碼], postal code/zip code
邮船 yóuchuán, [郵船], mailboat/ocean liner
邮政局 yóuzhèngjú, [郵政局], post office
邮资 yóuzī, [郵資], postage
邮费 yóufèi, [郵費], postage
集邮册 jíyóucè, [集郵冊], stamp album/CL:本[běn]
纪念邮票 jìniànyóupiào, [紀念郵票], commemorative postage stamp
通邮 tōngyóu, [通郵], to have postal communications
邮发 邮袋 yóudài, [郵袋], mailbag
邮电局 新邮 邮品 yóupǐn, [郵品], items issued by a postal service and collected by philatelists (stamps, postcard...