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

可塑[kaso] plastic
可塑剤[kasozai] plasticizer
可塑性[kasosei] plasticity
可塑物[kasobutsu] plastics
可塑物質[kasobusshitsu] plastics

塑像[sozou] earthen image
彫塑[chouso] carving
彫塑術[chousojutsu] the plastic art
熱可塑[netsukaso] thermoplastic
熱可塑樹脂[netsukasojushi] thermoplastic resin

悪材料[akuzairyou] adverse stock-market factors
医療材料[iryouzairyou] medical supplies
逸材[itsuzai] outstanding talent
印材[inzai] seal stock
画材[gazai] matter for painting

角材[kakuzai] squared timber
割り材[warizai] split log
乾材[kanzai] dry lumber
乾燥材[kansouzai] seasoned lumber
丸太材[marutazai] round timber