Usage patterns
お節介を焼くto meddle in someone's affairs; to fuss over someone unasked
He's always meddling in other people's business.
おせっかいな〈人〉a meddlesome, nosy person
She's a busybody, but she doesn't mean any harm.
余計なおせっかいunwanted, unnecessary meddling
That's none of your business, so stop meddling.