The 4 questions nouns answer are:
1. Who? (person)
2. When? (idea or time)
3. Where? (place)
4. What? (thing)
There are three nouns. People, group, and questions are nouns. Questions is a plural noun.
Who and what
Where when how many how much whose
Example questions that are answered by nouns:What is your name?Where did you go to school?Would you like chocolate or strawberry?
There are 2. "Tom" is a proper noun (a name). The word "questions" is a plural common noun.
Example questions sentences (nouns in bold):What is your name?Would you like some tea?Are those new shoes?Have you seen this movie?What sport do you play?Where did the cat go?Why are you wearing that hat?Is Jack going to pick us up?What time is it?Does this answer your question?
Yes, they are. And they are three of the questions answered by adverbs. They can also be used as subordinating conjunctions, and much more rarely as nouns.
Abstract nouns are sometimes referred to as special nouns. Abstract nouns are words for things that can't be experienced by any of the five senses; they can't be seen, heard, smelled, tasted, or touched. Abstract nouns are words for things that are known, understood, believed, or felt emotionally.Examples of abstract nouns:singular / pluralability / abilitiescare / caresdesire / desiresemotion / emotionsfriendship / friendshipshope / hopesinclination / inclinationsjoy / joysmisery / miseriesneed / needsopinion / opinionspassion / passionsquestion / questions
Common nouns and proper nouns are the two main types of nouns. Common nouns refer to general people, places, or things, while proper nouns are specific names given to particular people, places, or things.
Proper nouns refer to specific names of people, places, or things and are always capitalized while common nouns are general names for people, places, or things and are not capitalized.
The types of nouns are: Singular or plural nouns Common or proper nouns Concrete or abstract nouns Possessive nouns Collective nouns Compound nouns
The two nouns in your sentence are words and nouns, they are plural, common nouns.