Find the wrongly spelt word.

Battalion (noun):
Meaning: A large body of troops ready for battle, especially an infantry unit forming part of a brigade.
Bengali meaning: বৃহৎ সৈন্যদল।
Example: General Van Fleet did however command an infantry battalion during this period.
Synonym: Unit, regiment, brigade, force.

Bengali Meaning Of Other Words:
Believe (verb): বিশ্বাস করা; সত্য বলিয়া বিশ্বাস করা।
Bewilder (verb): হতবুদ্ধি করা
Bogie (noun): ঠেলাগাড়িবিশেষ; রেলের বগি।
Source: Oxford Dictionary ও বাংলা একাডেমি অভিধান।