Constrianer or Constrainer: How To spell?

The word Constrianer is misspelled against Constrainer, a noun meaning "One who constrains."

Word contains consecutive vowels 'AI' in between alphabets constr & ner is misspelled as 'IA'
Wrong Spelling:  constr-ia-ner 
Correct Spelling:  constr-ai-ner 
Find more incorrect spellings of Constrainer to spell right way.

You might be interested to know

Diamios or Daimios?

Derianment or Derainment?

Distrianing or Distraining?