Certain individual words do possess more pitch, more radiance, more shazam! than others, but it's the way words are juxtaposed with other words in a phrase or sentence that can create magic. Perhaps literally. The word "grammar," like its sister word "glamour," is actually derived from an old Scottish word that meant "sorcery. " When we were made to diagram sentences in high school, we were unwittingly being instructed in syntax sorcery, in wizardry. We were all enrolled at Hogwarts. Who knew?
A gentle word, a kind look, a good-natured smile can work wonders and accomplish miracles.