1.
advertir (e-ie): to warn; to advise
2.
almorzar (o-ue): to have lunch
3.
cerrar (e-ie): to close; to shut
4.
comenzar (e-ie): to begin; to start
5.
contar (o-ue): to tell; to relate
6.
costar (o-ue): to cost
7.
defender (e-ie): to defend
8.
descender (e-ie): to descend; to go down
9.
despertar (e-ie): to wake (someone) up
10.
devolver (o-ue): to return; to give back (object)
11.
dormir (o-ue): to sleep
12.
empezar (e-ie): to begin; to start
13.
encender (e-ie): to light; to turn on
14.
encontrar (o-ue): to find; to meet
15.
entender (e-ie): to understand
16.
mentir (e-ie): to lie
17.
mostrar (o-ue): to show
18.
mover (o-ue): to move
19.
oler (o-hue): to smell
20.
pedir (e-i): to ask for
21.
pensar (e-ie): to think
22.
perder (e-ie): to lose; to miss (a bus)
23.
poder (o-ue): to be able to; to can
24.
preferir (e-ie): to prefer
25.
probar (o-ue): to try; to taste
26.
quebrar (e-ie): to break
27.
querer (e-ie): to want; to like; to love
28.
recordar (o-ue): to remember
29.
reír (e-i): to laugh
30.
repetir (e-i): to repeat
31.
resolver (o-ue): to solve
32.
seguir (e-i): to follow
33.
sentir (e-ie): to feel; to be sorry
34.
servir (e-i): to serve
35.
soler (o-ue): to be used to; to be accustomed to
36.
sonar (o-ue): to ring; to sound
37.
soñar (o-ue): to dream
38.
sonreír (e-i): to smile
39.
volver (o-ue): to come back; to return (person)