The Spanish verb 'pulpar' comes from the Spanish noun 'pulpa' (meaning 'pulp') combined with the verbal suffix '-ar'. The Spanish 'pulpa' itself derives from Latin 'pulpa', which referred to the fleshy part of fruit. The -ar suffix is commonly used in Spanish to form verbs from nouns, creating a verb that means 'to reduce to pulp' or 'to pulp'.

A simpler and more common related Spanish word is 'pulpa', which refers to the flesh or pulp of fruits and other soft, fleshy material. This noun is more frequently encountered than the verb 'pulpar' and might be familiar to Spanish learners from contexts involving food or fruit.

The English word 'pulp' is directly related to 'pulpar', as both come from the Latin word 'pulpa'. In English, 'pulp' maintains similar meanings to its Latin ancestor, referring to the soft, fleshy part of fruit, as well as taking on additional meanings such as wood pulp used in papermaking or the soft inner tissue of teeth. The connection between the Spanish verb 'pulpar' and English 'pulp' is quite straightforward, as they share both etymology and basic meaning.