striking vs prominent

striking is a noun but prominent is not a noun.

Word	Noun	Adjective	Verb	Adverb
striking	Yes	Yes	No	No
prominent	No	Yes	No	No

As adjectives, striking and prominent are synonyms defined as:

striking and prominent: having a quality that thrusts itself into attention

Other synonyms of striking include outstanding, salient, spectacular.

striking (noun)	prominent (noun)
the act of contacting one thing with another
the physical coming together of two or more things

striking (adjective)	prominent (adjective)
having a quality that thrusts itself into attention	having a quality that thrusts itself into attention
sensational in appearance or thrilling in effect	conspicuous in position or importance