The Spanish word for 'these' is 'estos', which has five letters. Estos is a pronoun used to refer to a group of people, animals, or things that are near the speaker. It is also used to refer to a group of people, animals, or things that have already been mentioned. Estos is a plural form of the pronoun 'este', which is used to refer to a single person, animal, or thing that is near the speaker.