洗消场

• 氵(water; liquid)RADICAL
• 先(before; lead)PHONO-SEMANTIC

Washing uses water going first to clean everything.

• 氵(water; liquid)RADICAL
• 肖(resembling; diminishing)PHONO-SEMANTIC

Water gradually drips away and disappears, that is the meaning of the character tiêu.

• 土(earth; soil; land)RADICAL
• 勿(don't; must not)PHONETIC

A wide field of land sounds similar to the word for things or objects.