This document compares and contrasts features of the Spanish and English languages. It discusses the origins of the languages, with Spanish being a Romance language and English being Germanic. Key differences discussed include vowels, additional letters in the Spanish alphabet, formal vs informal address, adjective placement, pronoun elimination in Spanish verbs, and typical word order. The document also provides a case study of an English language learner named Lola, analyzing errors that could be due to developmental factors or interference from her native Spanish language.