This is the 2013th most frequent Turkish word.
sözleriyle
"With his/her/its/their words."
Here, 'sözleriyle' is used as an instrumental case to express 'with his words', indicating the means the teacher used to create an impact.
Öğretmen, öğrencilerine anlamlı bir şekilde konuşarak sözleriyle büyük bir etki bıraktı.
The teacher, by speaking meaningfully to the students, left a significant impact with his words.
In this sentence, 'sözleriyle' conveys the way or tool ('with his words') the poet used to tell a story.
Şair, eserinde toplumu etkilemek için sözleriyle bir öykü anlattı.
The poet, in his work, narrated a story with his words to influence society.
Here, 'sözleriyle' functions to describe the cause or reason ('by his words') that influenced the audience's decision.