Özək/Özzək
1. sound-signify
Özək/Özzək: (noun) core, the deepest part
With the standard usage of Türki it is özək but in natural system of the language it is özzək because the former one can be taken as an adjective. Therefore, for the sake of clarity the system of language naturally has doubled the consonant with such cases to make it precisely a noun.
Sound-signify:
prominent concept [öz]: self, innerness
[vowel+k]: locative/locational/rigid
Sound-signify version: ([the concept of] selfness, innerness) + ([functionally] locational/rigid)
Semantic interpretation: ([the concept of] innerness as rigidified)
Plain meaning: (the rigid innermost [part])