と考えられる[tokangaerareru] one can think that ...
一考[ikkou] consideration
勘考[kankou] consider
考え[kangae] thinking
考えてみれば[kangaetemireba] if you think about it

考える[kangaeru] to consider
考え込む[kangaekomu] to ponder
考え事[kangaegoto] (deep) thinking
考え出す[kangaedasu] to think out
考え直して[kangaenaoshite] On second thoughts ...

課す[kasu] to levy
課する[kasuru] to levy
課員[kain] section staff
課外[kagai] extracurricular
課業[kagyou] schoolwork

課金[kakin] charges
課制[kasei] section system (companies)
課税[kazei] taxation
課税控除[kazeikoujo] tax exemption