Numbers:

ichi 1 roku 6 
ni 2 shichi 7 
san 3 hachi 8 
shi 4 ku (kyuu) 9 
go 5 juu 10 

Stances:

hachinoji-dachi -- ready stance 
zenkutsu-dachi -- front stance 
koh-kutsu-dachi -- back stance 
kiba-dachi -- horse stance / saddle stance 
neko-dachi -- cat stance 
sochin-dachi / fudoh-dachi -- sochin stance / "immovable" stance 
sanchin-dachi -- "hourglass" stance 
hangetsu-dachi -- "half moon" stance 

Arm attacks:

tsuki -- punch 
oi-zuki -- lunge punch 
gyaku-zuki -- reverse punch 
kizami-zuki -- jab punch 
nukite -- spear-hand (thrust) 
ura-ken -- back hand (strike) 
empi -- elbow (strike) 

Leg attacks:

keri -- kick 
mae-geri -- front (snap) kick 
mawashi-geri -- round house kick 
(yoko-geri) kekomi -- side thrust kick 
(yoko-geri) keage -- side snap kick 
ushiro-geri -- back (thrust) kick 

Attacking levels:

joh-dan -- "upper level" / face 
chuudan -- "middle level" / stomach / solar plexus 
gedan -- "lower level" / groin 

Blocks:

age-uke -- rising block 
ude-uke -- "arm block", often used to mean outside block 
soto-uke -- outside block (see above) 
uchi-uke -- inside block 
gedan barai -- down block / "lower level sweep" 
shuto-uke -- knife-hand block 
nagashi-uke -- "flushing block" / deflecting block 
kakiwake-uke -- two-handed "separating" block 
juji-uke -- two-handed "cross" block 

Other words:

kihon -- basic(s) 
ki-ai -- "spirit focus" / a focusing yell 
kime -- "decision" / focus 
rei -- bow 
yoh-i -- "get ready" / often a command to stand in hachinoji-dachi 
yame -- stop 
yasume -- rest, relax 
maware / mawatte -- turn 
hajime -- begin 
mokusoh -- "quiet meditation" 
dojo [doh-joh] -- "way place," the place where you train 
dojo kun -- dojo desiderata 
seiza -- "proper sitting" / kneeling 
sempai -- senior student 
koh-hai -- junior student