Rouser
Part of speech: noun
Definition: Something very exciting or great. One who rouses another from sleep.
Arouser
Part of speech: noun
Definition: Someone or something that arouses.
Rouser as a noun is something very exciting or great. while Arouser as a noun is someone or something that arouses.
Part of speech: noun
Definition: Something very exciting or great. One who rouses another from sleep.
Part of speech: noun
Definition: Someone or something that arouses.
We hope you now know whether to use Rouser or Arouser in your sentence.