"guardar rencor" in English

to save- to keep- to bottle away- to put away- to tuck away- to bear- to get away- to guard- to hold- to lay aside- to lay up- to lay up- to maintain- to mind- to observe- to pack away- to pack up- to put aside- to reserve- to salt away- to set aside- to set by- to set by- to squirrel away- to store- to stow- to box up- to stash

resentment- rancor- rencour- ill feeling- ill will- rancour- spite