This document summarizes a research study that analyzed differences in frequencies of linking verbs and relative pronouns in written language. The study aimed to analyze two types of linguistic associations: lexical-grammatical associations and grammatical-grammatical associations. For lexical-grammatical analysis, four linking verbs (be, seem, look, feel) were analyzed to identify differences in occurrences. For grammatical-grammatical analysis, two relative pronouns (who, that) were analyzed when used as subjects in restrictive adjective clauses to identify differences in occurrences. The findings showed no significant differences between linking verb occurrences, though "be" occurred most frequently and "look" least frequently. Significant differences were found between relative pronoun occurrences, with "who