prevent, prevents, preventing, prevented, preventative, to stop, stop
Mnemonic
[du-] Dumbledore is in the [4] bathroom of the [-_] house where he is trying 杜 to prevent a 木 tree that is growing out of some 土 soil that is in the corner. Every time the 木 tree peaks out of the 土 soil, Dumbledore uses his magic to cover it with even more more 土 soil. It is unclear why he is doing so, as his 杜 preventative measures has covered the entire bathroom tile with 土 soil!