As nouns the difference between confuser and confusion
is that confuser is one who or that which confuses while confusion is a lack of clarity or order.
confusion
English
Noun
(en-noun)
A lack of clarity or order.
The state of being confused; misunderstanding.
(obsolete) disgrace, shame
Synonyms
* (lack of clarity or order) discombobulation
* (state of being confused) bewilderment, disarray
Antonyms
* (lack of clarity or order) clarity
* (misunderstanding) distinction