意味深重[imishinchou] with profound (often hidden) meaning
奥深い[okufukai] profound
海深[kaishin] depth of the sea
疑い深い[utagaibukai] doubting
興味深い[kyoumibukai] very interesting

深ける[fukeru] to get late
根深い[nebukai] deep-rooted
思慮深い[shiryobukai] prudent
執念深い[shuunenbukai] vindictive
嫉妬深い[shittobukai] (deeply) jealous

幸甚[koujin] pleased
甚く[itaku] exceedingly
甚だ[hanahada] very
甚しい[hanahadashii] extreme
甚だ以て[hanahadamotte] exceedingly

甚句[jinku] lively song
甚大[jindai] very great
甚六[jinroku] dunce
甚い[itai] painful
劇甚[gekijin] intenseness