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Empezar (ie)
To begin
Querer (ie)
To want
Perder (ie)
To lose
Poder (ue)
To be able to (can)
Volver (ue)
To return to a place (Also for returning an item to a place)
Dormir (ue)
To sleep
jugar(ue)
to play
cerrar(ie)
to close
pensar(ie)
to think
costar(ue)
to cost
contar(ue)
to count
almorzar(ue)
to eat lunch
encontrar(ue)
to find
preferir (ie)
to prefer
Pedir (i)
To ask (for)/ to order
repetir(i)
to repeat
mentir (ie)
to lie
merendar (ie)
to eat a snack
recomendar (ie)
to recomend
entender (ie)
to understand
vestir(i)
to get dress
servir(i)
to serve