prodigious vs surpassing

prodigious and surpassing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prodigious	No	Yes	No	No
surpassing	No	Yes	No	No

As adjectives, prodigious and surpassing are synonyms defined as:

prodigious and surpassing: far beyond what is usual in magnitude or degree

Other synonyms of prodigious include exceeding, exceptional, olympian.

prodigious (adjective)	surpassing (adjective)
far beyond what is usual in magnitude or degree	far beyond what is usual in magnitude or degree
so great in size or force or extent as to elicit awe	exceeding or surpassing usual limits especially in excellence
of momentous or ominous significance