This is the 683rd most frequent Italian word.
potere
"Potere" means "to be able to" or "can" (verb) and "power" or "ability" (noun) in English.
'Posso' is a conjugation of 'potere' in the present tense, indicating ability or permission.
Posso venire alla festa stasera.
I can come to the party tonight.
'Potuto' is the past participle of 'potere,' used to express an action that was impossible in the past.
Oggi non ho potuto finire il lavoro.
Today I could not finish the work.
'Potremmo' is the conditional form of 'potere,' expressing a possibility or suggestion.