groundbreaker vs innovator

groundbreaker and innovator both are nouns.

Word	Noun	Adjective	Verb	Adverb
groundbreaker	Yes	No	No	No
innovator	Yes	No	No	No

As nouns, groundbreaker and innovator are synonyms defined as:

groundbreaker and innovator: someone who helps to open up a new line of research or technology or art

Other synonyms of groundbreaker include pioneer, trailblazer.

groundbreaker (noun)	innovator (noun)
someone who helps to open up a new line of research or technology or art	someone who helps to open up a new line of research or technology or art