Exam is a noun.
The word "unworthiness" is a noun. Example: His unworthiness rendered himunable to compete in the final exams.
BA part 1st year Exams Report
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.