Body Areas

Jodan: From the neck up
Chudan: From the neck to belt
Gedan: From the belt down
Migi: Right side
Hidari: Left side

Hand Techniques


Oi Zuki: Stepping punch
Gyaku Zuki: Reverse punch
San Bon Zuki: Triple punch
Age Zuki: Rising punch
Nukite: Spear Hand Thrust
Kentsui-uchi: Hammer Fist

Uraken: Back Fist

Kicks

Mae Geri: Front kick
Yoko Geri: Side kick
Mawashi Geri: Round house kick
Ushiro Geri: Back kick
Ushiro Mawashi Geri: Hook kick
Mae Ashi Mae Geri: Front leg front kick
Mae Ashi Mawashi Geri: Front leg round kick
add Tobi to a kick and it becomes a flying kick.

Example Tobi-Mae-Geri: Flying Front Kick

Other things you may hear in the Dojo

Sensei: Instructor
Sempai: Assistant instructor
Yoi: Ready
Hazime: Begin
Yame: Stop
Seiza: Proper method of kneeling
Mokuso: Meditation
Osu: Affirmative acknowledgement
Rei: Bow
Shomen Ni Rei: Bow to the front
Sensei Ni Rei: Bow to instructor
Otogai Ni Rei: Bow to each other, or Mutual bow.
Kiai: Powerful yell from the diaphragm.
Kime: Focus
Gi: Uniform
Obi: Belt
Kyu: Belt ranks below black belt
Dan: Black belt ranks

Numbers

Ichi: One
Ni: Two
San: Three
Shi: Four
Go: Five
Roku: Six
Shichi: Seven
Hachi: Eight
Ku: Nine
Ju: Ten

Ju-Ichi: Eleven

Ni-Ju: Twenty

Ni-Ju-Ichi: Twenty one

Starting to see a pattern???

San-Ju: thirty

San-Ju-Ichi: Thiry one

yon-Ju: Forty

yon-Ju-Ichi: Forty one

yon-Ju-Ni: Forty two

Go-Ju-Ichi: Fifty one

This will get you to Ninety nine. (Ku-Ju-Ku).

After that might I suggest counting in your native language.