2717. What character can be added to both of these characters to give other characters? 女_ -> _心

女  JO, NYO, NYOU, onna, me - female, woman

心  SHIN, kokoro - heart

Add 台:女+台 台+心  

台  DAI, TAI - stand, pedestal, platform

始  SHI, haji(meru), haji(maru) - start, begin

怠  TAI, nama(keru), okota(ru) - be idle, lazy, neglect, be remiss