Ah-either an exclamation of surprise or an affirmation
Anata-a term of affection that women use to address their husbands
Ano-um
Arigato or arigato gozimashta-Thank you
Baka-idiot or fool
Bakata-I understand
Dagu-a light weight swear word, used to express annoyance
Daishobu-Are you ok?
Demo-But
Domo-nice to meet you, or thank you
Doshde-What's wrong
Dozo-here you go
Gomen or gomenasai-sorry
Hai-multiple meanings, can mean yes, I'm coming, or I understand
Haiyaku-hurry up
Hatsukoi-first love, a very special person in Japanese society
Honto-true
Iie-No
Ja ne-Good bye
Kesu-a swear word, meaning dammit
Kesuma-you bastard
Mah ne-I guess so
Matte-Wait
Name-chan –a cute addition to someone's name, usually reserved for children
Name-ji -uncle
Name-kun –usually used for younger boys, or someone a person knew as a child, it is also a sign of respect
Name-sama –a way of addressing someone you wish to humble yourself to
Name-san –a polite way of addressing someone, slightly more formal, it shows respect.
Nande or Nani-what
Naze-why
Obasan-grandmother
Ojosan-young lady
Okaro-mother
Oneesan or name-nee -older sister
Oniichan, niisan, oniisama, or name-nii -older brother
Otousan or oyaji-father
Segoi-that's incredible
Sempai-an older classmate or someone who has been doing something for longer
Sensei-teacher
Soda or Soka-Is that so?
Soda or Sodane-that's right
Sumimasen-sorry or excuse me
Urusai-Shut up
Yamerou-stop
Yokata-that's a relief