Translation of persuasion in Spanish

For each entry, there will be the translations of the dictionary, so if one entry is already included there is no extra value in adding this word and I'd say mark it as an error although it is correct.
Sorry if I did not write back, I was in Napoli during the holidays, then back at work, once again I have so much to do at the weekend, but I will do my best. Greetings from Italy. Marco.
What is the past tense of 'to swim'? So either you say, I was swimming or yesterday I was swimming. Or: I was running yesterday vs. yesterday, I ran. You know the answer? I have no clue.