㤽（懤）chóu

 [书] （忧愁） sad;worried;depressed

• serpent
• serpentine
• serrated
• serried
• serum
• servant
• serve
• service
• serviette
• servile
• servitor
• servitude
• servo-
• sesame
• sesquipedalian
• session
• set
• set
• set-square
• sett
• settee
• setter
• setting
• settle
• settle