ringside vs ringside seat

ringside and ringside seat both are nouns.

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

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

ringside and ringside seat: first row of seating; has an unobstructed view of a boxing or wrestling ring

ringside (noun)	ringside seat (noun)
first row of seating; has an unobstructed view of a boxing or wrestling ring	first row of seating; has an unobstructed view of a boxing or wrestling ring