The word rolled is a verb. It is the past tense of roll.
Rolling is a verb.
The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
Tandem rolling is the process of rolling a part continuously through a series of stands called a train.
adverb
what part of speech is work
what part of speech is beneath
loud purring and rolling meows
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "buried" is a verb.