The Spanish word 'parrandero' is formed by combining two elements: the noun 'parranda' meaning 'party' or 'revelry', and the suffix '-ero' which typically indicates a person who does or participates in something. When these elements combine, they create a word that refers to a 'party-goer' or 'reveler' - essentially someone who enjoys going to parties or participating in festivities.

A simpler related Spanish word is 'parranda', which means 'party' or 'revelry'. This is actually the base word from which 'parrandero' is derived. When Spanish speakers talk about 'ir de parranda', they mean 'to go partying' or 'to go on a spree'.

While there aren't direct English cognates for 'parrandero', English speakers can understand the structure by comparing it to similar constructions using '-er' in English (which serves a similar function to Spanish '-ero'), such as 'party → partier' or 'dance → dancer'. The pattern of adding a suffix to describe someone who does an action is very similar in both languages.