Select the INCORRECTLY spelt word.

Alphabet Allergic Altarnate Allotted

Altarnate

The incorrectly spelled word is Altarnate. The correct spelling is Alternate. Alphabet is a set of letters that are used to form words. Allergic is having an adverse reaction to something. Alternate means to do or happen by turns. Allotted means to give or set aside something for a particular purpose.