neologism

As nouns the difference between taxonomy and neologism

is that taxonomy is the science or the technique used to make a classification while neologism is (linguistics) a word or phrase which has recently been coined; a new word or phrase.

As nouns the difference between neologism and neonism

is that neologism is a word or phrase which has recently been coined; a new word or phrase while neonism is a word or phrase which has recently been coined; a new word or phrase, a neologism.

As a noun neologism

is (linguistics) a word or phrase which has recently been coined; a new word or phrase.

As a proper noun moneygeddon is

the.