Caastic or Caustic: How To spell?

The word Caastic is misspelled against Caustic, meaning "biting sarcastic"

Word contains consecutive vowels 'AU' in between alphabets c & stic is misspelled as 'AA'
Wrong Spelling:  c-aa-stic 
Correct Spelling:  c-au-stic 
Find more wrongly spelled words of Caustic to spell it well.

You might be interested to know

Closehaaled or Closehauled?

Defraadation or Defraudation?

Epaaletted or Epauletted?