sayonara - farewell, goodbye
mizu - water
hime - princess
sakura - cherrry blossom
sumimasen - excuse me or i'm sorry
gomennasai - i'm sorry
watashi wa - I am
baka - stupid
kawaii - cute
kowaii - scary
shoujo - girl
shounen - boy
Ohayou gozaimasu or just ohayou - good morning
Ai shi teru - I love you
neko - cat
Sumimasen. Ima nan-ji desu ka - what time is it?
daijoubu - okay/alright
konnichiwa - good afternoon
konbanwa - good evening
kokoro - heart
Wakarimasen - I don't understand
Wakarimashita - I understand
Hai - yes
iie - no
Okay I think that's enough. I watch a lot of anime. If you are interested in learning Japanese watching anime is great way to learn.