This is the 9148th most frequent Turkish word.
tırnak
"Nail" (fingernail or toenail) or "quotation mark," depending on context.
Here, "tırnak" denotes the claws of an animal, specifically the cat's claws.
Kedimin tırnaklarını keserken çok dikkat ediyorum.
I am very careful when clipping my cat's claws.
Here, "tırnak" refers to quotation marks used in writing.
Kitabın güzel yerlerini tırnak içine aldım.
I put the beautiful parts of the book in quotation marks.
In this instance, "tırnak" means toenails, indicating a part of the body.