す可き[subeki] should do (abbr. of suru+beki)
可き[beki] should (suf. to verbs)
もし可能ならば[moshikanounaraba] if possible
可からず[bekarazu] must not
可愛がる[kawaigaru] to love

可愛らしい[kawairashii] lovely
可圧性[kaatsusei] compressibility
可換群[kakangun] Abelian group
可逆[kagyaku] reversible

哀情[aijou] sadness
愛情[aijou] love
遺伝情報[idenjouhou] genetic information
恩情[onjou] compassion
温情[onjou] warm heart

下情[kajou] condition of the common people
我情[gajou] selfishness
各情報[kakujouhou] all information
感情[kanjou] emotion
感情移入[kanjouinyuu] empathy

憐れ[aware] pity
憐れみ[awaremi] pity
憐れむ[awaremu] to commiserate
哀憐[airen] pity
可憐[karen] sweet (e.g. young girls, flowers blooming)

同病相憐れむ[doubyouaiawaremu] fellow sufferers pity each other
憐愍[renbin] pity
純情可憐[junjoukaren] pure of heart and beautiful
愛憐[airen] sympathy
憐情[renjou] compassion

口辺単純疱疹[kouhentanjunhoushin] cold sore
純愛[junai] pure love
純益[juneki] clear profit
純化[junka] purification
純金[junkin] pure gold

純潔[junketsu] purity
純血[junketsu] pure-bred (usu. animal)
純情[junjou] pure heart
純真[junshin] purity
純粋[junsui] pure