No, the word 'whether' is a conjunction that precedes a choice of two options or an inquiry. Examples:
The homonym weather is a noun, a common noun, a general word for conditions of the atmosphere at a given place and time; a word for any weather anywhere.
The word 'weather' is also a verb: weather, weathers, weathering, weathered.
Another homonym, wether is a noun, a common noun, a general word for a castrated male sheep; a word for any such sheep anywhere.
The word friendship is a common, singular, abstract, compound noun.
The noun 'window' is a singular, common, concrete noun; a word for a thing.
The word "rice" is a common noun.
The word 'uncle' is a noun, a singular, common, concrete noun; a word for a person.
No, the word "homesick" is not a common noun but it is an abstract noun.
Yes, the word noise is a common noun.
The word bicycle is a common noun.
The noun 'magazine' is a singular, common, concrete noun, a word for a thing.
The word friendship is a common, singular, abstract, compound noun.
The word 'mountaineering' is a noun, a common noun, a general word for an activity.
My brother ate a cake. (The words 'brother' and 'cake' are common nouns.)I went to the supermarket. (The word 'supermarket is a common noun.)I like to eat cookies. (The word 'cookies' is a common noun.)I accidentally dropped my computer.(The word 'computer' is a common noun.)He likes to read books. (The word 'books' is a common noun.)She likes playing toys. (The word 'toys' is a common noun.)I like going to the gym. (The word 'gym' is a common noun.)She bought a pen. (The word 'pen' is a common noun.)I am doing my homework. (The word 'homework' is a common noun.)I am drawing a picture. (The word 'picture' is a common noun.)I am carrying my bag. (The word 'bag is a common noun.)The train will leave soon. (The word 'train' is a common noun.)I am eating breakfast. (The word 'breakfast' is a common noun.)I found a dog just now. (The word 'dog' is a common noun.)He sold his home. (The word 'home' is a common noun.)His friend fell sick. (The word 'friend' is a common noun.)I went to the airport. (The word 'airport is a common noun.)His bed is very messy. (The word 'bed' is a common noun.)I saw a baby just now. (The word 'baby' is a common noun.)The door was open. (The word 'door' is a common noun.)
Th word tail is a common noun because the first letter of a proper noun is capitalized.
Yes, the word spirit is a common noun, a singular, abstract, common noun.
Yes, the word 'friendship' is a noun; a singular, common, abstract noun; a word for an emotional relationship between people; a word for a thing.
Yes, the word soap is a noun; a common, singular, concrete noun.
Yes, club is a common noun whether you plan to dance there or play Golf with it, the noun club is a general word for any club of any kind.
The noun 'window' is a singular, common, concrete noun; a word for a thing.