0
cero
1 (one)
uno
2 (two)
dos
3 (three)
tres
4 (four)
cuatro
5 (five)
cinco
6 (six)
seis
7 (seven)
siete
8 (eight)
ocho
9 (nine)
nueve
10 (ten)
diez
11 (eleven)
once
12 (twelve)
doce
13 (thirteen)
trece
14 (fourteen)
catorce
15 (fifteen)
quince
16 (sixteen)
dieciséis
17 (seventeen)
diecisiete
18 (eighteen)
dieciocho
19 (nineteen)
diecinueve
20 (twenty)
veinte