Refine this word faster

Tie-in

noun

Noun

1
Something that is related or connected to another thing.
2
a fastener that serves to join or connect wordnet
3
An authorized product based on a media property, such as a film or video game, by way of cross-promotion.
"So while it might be pretty neat to see yourself as one of The Young Ones, as Dirty Den, Cobra, Rambo, Scooby or any of a hundred others, it's not really enough to cover up for the real problem with tie-in games."
4
An association or connection between things.
"There was really important and unavoidable tie-ins between the two movements. Sexism is the thing that prevents women from achieving equal status in the world and indeed it's sexism that creates most of the homophobia — the fear of people not playing their proper sex roles."

From tie + in.

Unscramble this word: tiein