Konichiwa - Hello
Konbanwa - Good evening
Ohayo-gozaimasu- Good morning
Ohayo - (Short for Good morning
Konnichiwa - Hello; Hey-Hey-Hoo!
Ja ne - Bye ; Good bye
Daijoubu - Im fine ; Im okay
Daijoubu desu wa? - Are you okay? ; How are you feeling?
Iie - No
Hai - Yes
Nandeste? - What was that?
Dare da? - Who's there?
Dare - Who
Baka - Stupid
Aho - Moron
Gaki - Brat
Kaijuu - Monster
Onii-chan - Brother
Okaa-san - Mother
Otou-san - Father
Onee-san - Sister
Ecchi - Pervert
Dou' Hou - Asshole
Hentai - Porn (That's basically it.)
Wai - Wahoo!
Umi - ocean
Honto - Really
Aishiteru - I love you
Koishiteru - Im in love
Matte - wait
Demo - but
Ano - um
Oi - Hey
Sakura - Cherry Blossom
Syaoran - Little Wolf
Kero - Ribbit
Touya - Peach Blossom or Peach arrow
Sayonara - Good bye
Gomen-nasai - Sorry ; excuse me
Oyasumi-nasai - Good night
Oyasumi - (Short for Good night)
Arigatou-gozaimasu - Thank you
Arigato - (Short for thank you)
Sumimasen - Sorry ; excuse me
Ittekimasu - I'll be back
Gochisosama deshita - Used after eating.
Damare - Shut up!
Issho - Together
Tadaima - I'm back
Ogenkidesu - fine
Okaerinasai - Welcome back
Kaimono - Shopping
Kawaii - Cute
Keirei - Pretty
Gakkou - School
Chiisai - Small
Chibi - Small ; little
Doushite - Why
Kyo - Today
Ashita - Tomorrow
Asatte - the day after tomorrow
Tomodachi - Friend
Tanjoobi - Birthday
Shizuka ni - Be quiet!
Itadakimasu - Let's eat
Wakarimashita - I understand
Wakata - (Short for 'I understand')
Onegai - Please
Shizumatte kudasei - Please be quiet
Koko - Here
Soko - There
Asoko - Overthere
Yoroshiku - Please remember me
Sensei - Teacher
San - used as Sir, Mr., Ma'am, Mrs, on last names. Shows respect.
Kun - Used on boys first or last names.
Chan - Used with friends, or girls, goes on the first name.
Sama - Shows that that person is higher than you, shows respect also.
Hayaku - Early ; Hurry
Hime - Princess
O genki desuka? - How are you?
Mata ne - See you
Ganbatte - Do your best ; Good luck
Ittekimasu - Im going
Okaerinasai - Welcome Home
Meshiagare - Have a good lunch
Oishii - It's delicious
Betsu ni - Nothing
Chigau ! - It's not that!
Donna ryori sukidatta na? - What kind of food do you like?
Gakkou dô deshita - How was school?
Ima kaeri? - You're go back now ?
Nande? - What?
Hayai - it's quick
Go shimpai naku - Do not worry
Nan desu ka? - What is it?
Doko desu ka? - Where is it?
Donata desu ka? - Who are you?
Dooshite ikimasu ka? - Why are you going?
Onaiji - LIkewise
Kawaii desu - So pretty ; So cute
Kore wa hon desu - This is a book
shimpai wa arimasen - No need to worry
Hajimete ome ni kakarimasu - Glad to meet you
Onamae wa? - What's your name?
Ima nanji desu ka? - What time is it now?
Ohayo gakusei - Morning Students
Ohayo Gozaimas Sensei - Good morning teacher
Koko ni Kinasai - Come here
bishonen - Handsome
Mina-san - everybody
Zutto - Absolutely
Kore wa hana arimasu - This is a flower
Kore wa hana dewa arimasen - This is not a flower
Tokidoki anata baka - Sometimes you're stupid

Well now, you should know SOME japanese now! Hopefully, the list will continue grow, thanks to sites i've visited before, and fanfics, the CCS DVD's, and, my own knowledge of japanese, I was able to create this LARGE list! Well, that's all for now! Ja ne!
Japanese Vocab