negate, negates, negated, negating, not, no, negation
Mnemonic
[f-] Frodo is in the [3] basement of the [-(o)u] bakery, looking for a snack. He sees a bunch of croissants on the basement table and goes over to them. Unfortunately, on the table is a 不 no sign 🚫 that crosses over a 口 mouth representing that he cannot eat them. He knocks the sign over, 否 negating it, and then stuffs some croissants into his hobbit 口 mouth.