A part
壊
Shown as a part of 1 word so far, read one way.
かい 1 word
- 崩壊ほうかいcollapse, decay (physics), crumbling
崩壊 · here “demolition”
Also written with 壊
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.