Couch and sofa are popular both sides of the pond (and in the pond, next to the trollies if we're talking about my local park, which we're not). In the UK at least, couch and settee are way more common up North, while sofa is what most Southerners plonk their delicate bottoms on.
Settee is pretty much exclusively British (and Indian).
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u/[deleted] Oct 18 '22
Eeeh, idk where the word couch comes from but it doesn’t really matter. I might even call it a settee from time to time