Vocabulary consisting only from characters you are able to read
医学部
igakubu
medical facultymix
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
世話になる
sewaninaru
to receive favor (favour), to be much obliged to someone, to be indebtedgodan, verb
小便
shouben
(col) urine, piss, peemix
努力家
doryokuka
hard worker, hardworking personmix