problema (problem) phonema (phoneme) tema (theme) sistema (system)
alot...almost all spanish verbs end in -er, -ar, or -irbeber- to drinkser- to besaber- to knowleer- to readtener- to havecaer- to fallthats just a few examples of MANY spanish verbs that end in -er
jugo (juice)
I thinh there are none.
hoy