divan
Try divan.
ottoman
* jumbo * giant * hefty * large
empty
sofa
Try divan.
Chaise Longue (Europe) / Chaise Lounge (USA)
ottoman
Stall.
stool
* jumbo * giant * hefty * large
A sofa is an English word.
One option is the word conga.
The plural word for sofa is sofas.
empty
Yes, sofa is a noun, a singular, common, concrete noun. A noun is a naming word and the word 'sofa' names a thing.
No, the word "sofa" is a noun, specifically a type of furniture for seating. It is not a preposition, which are words that indicate relationships between other words in a sentence.