Expression, Facial Expression
noun
The thing that is attached to your face isn't a big booger or anything like that. It's something that's always there. It's your expression.
かおつき
The readings are both kun'yomi, but they're the readings you've already learned when you learned the kanji.
この前より、顔付きがリラックスしてるね。
You look more relaxed than before.
このブルドッグ、顔付きが女の子っぽいですね。
This bulldog has a girly facial expression.
あなたは、心の広そうな人の顔付きをしてますよ。
You look like a person with a big heart.