Correct Spelling → Wrong Spelling
unforeseen (अनपेक्षित) → unforseen (remember the e after the r)
unfortunately (दुर्भाग्य से)→ unfortunatly (ends with -ely)
until (जबतक) → untill (one l at the end)
weird (भयानक) → wierd (e before i)
wherever (जहां कहीं) → whereever (one e in the middle)
which (कौन सा) → wich (begins with wh-)