Use your fingers on the cat pirate to suppress him. The cat pirate was attacking you, so you took your fingers and pet his head and scratched his chin. Now he's calm and suppressed. He doesn't even remember why he was attacking you.
He forgot, but you know you had to suppress the cat pirate because he was trying to steal your egg yolk (よく). You were making breakfast on your ship and the cat pirate boarded you out of nowhere, and tried to take it by force.
Currently there are no similar looking kanji which exist in the WaniKani learning system