If it is not planned it may happen...
-
Accidently
-
Accidentilly
-
Accidentelly
-
Accidentally
D
Correct answer
Explanation
The correct spelling is 'Accidentally' with 'al' before 'ly'. Options A, B, and C incorrectly spell the adverb form. The base word is 'accident' + 'al' + 'ly', creating 'accidentally'. Many people mistakenly drop the 'al' syllable.