4 words in this vocabulary list
noun a strong fence at the side of a road or in a dangerous place to prevent people from falling off
noun a type of personal flotation device worn for safety in water activities
noun the state of being safe from harm or danger
adjective safe or secure
noun a word (other than a pronoun) used to identify any of a class of people, places, or things
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
article a word (such as a, an, or the) used with a noun to limit it or make it clearer