This is the 8911th most frequent Turkish word.
sözlü
Spoken; oral.
Here, 'sözlü' is used as an adjective meaning 'oral.'
Bu hafta Türkçe dersinde sözlü sınavımız var.
This week, we have an oral exam in Turkish class.
In this sentence, 'sözlü' describes the manner of the action, meaning 'verbal.'
Ona sözlü olarak teklifte bulunduk.
We made an offer to him verbally.
In this sentence, 'sözlü' is used as a term for being engaged, showing a cultural usage specific to Turkish.