A part
付き
Shown as a part of 3 words so far, read one way.
つき 3 words
- 付き合いつきあいsocialization; friendship; association
付き合い · here “adhere”
- 思い付きおもいつきplan, idea, suggestion
思い付き · here “adhere”
- 結び付きむすびつきconnection, relation
結び付き · here “adhere”
Also written with 付き
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.