The word Superstrian is misspelled against Superstrain, a verb meaning "To overstrain."
-->
Word contains consecutive vowels 'AI' in between alphabets superstr & n is misspelled as 'IA'
Wrong Spelling:  superstr-ia-n 
Correct Spelling:  superstr-ai-n 
Check more misspelled words of Superstrain to spell it correct.