ringside seat vs ringside

ringside seat and ringside both are nouns.

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

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

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

ringside seat (noun)	ringside (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