preponderance
Meaning: superiority in importance or quantity
Usage: Britain’s preponderance of naval might secured the nation’s role as a military power.
paramount
Meaning: greatest in importance, rank, character
Usage: It was paramount that the bomb squad disconnect the blue wire before removing the fuse.
tantamount
Meaning: equivalent in value or significance
Usage: When it comes to sports, fearing your opponent is tantamount to losing.
eminent
Meaning: distinguished, prominent, famous 2. conspicuous
Usage: The eminent scientist was invited to speak at the conference.
salient
Meaning: significant, conspicuous
Usage: One of the salient differences between Alison and Nancy is that Alison is a foot taller.