苦悩[kunou] suffering
子煩悩[kobonnou] indulgent
思い悩む[omoinayamu] to worry
伸び悩む[nobinayamu] to be sluggish (business)
頭を悩ます[atamawonayamasu] to rack one's brains

悩ましい[nayamashii] seductive
悩ます[nayamasu] to afflict
悩み[nayami] trouble
悩みごと[nayamigoto] something causing worry
悩む[nayamu] to be worried

煩う[wazurau] to be ill
子煩悩[kobonnou] indulgent
煩さい[urusai] noisy
煩わしい[wazurawashii] troublesome
煩わす[wazurawasu] to trouble

煩雑[hanzatsu] complex
煩悩[bonnou] worldly desires
煩悶[hanmon] worry
恋煩い[koiwazurai] lovesickness
煩忙[hanbou] pressure of business

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology