box vs box seat

box and box seat both are nouns.

Word	Noun	Adjective	Verb	Adverb
box	Yes	No	Yes	No
box seat	Yes	No	No	No

As nouns, box and box seat are synonyms defined as:

box (noun)	box seat (noun)
a blow with the hand (usually on the ear)	a special seat in a theater or grandstand box
a (usually rectangular) container; may have a lid	the driver's seat on a coach
separate partitioned area in a public place for a few people
private area in a theater or grandstand where a small group can watch the performance
the driver's seat on a coach
any one of several designated areas on a ball field where the batter or catcher or coaches are positioned
evergreen shrubs or small trees
the quantity contained in a box
a rectangular drawing
a predicament from which a skillful or graceful escape is impossible