When the word sound is used as a noun, an adjective would describe it.
Example: loud sound
Sound can also be a verb, and adverbs modify verbs.
Example: sounded the horn loudly
The part of speech that describes a noun is called an adjective. Adjectives are words that modify or describe nouns by providing more information about their characteristics, qualities, or attributes.
"Taciturn" is an adjective. It describes someone who is reserved or uncommunicative in speech.
The word faithful is an adjective. It describes someone who is loyal.
The part of speech for "concise" is an adjective. It describes something that is brief and to the point.
The word "creak" is a verb. It describes a sharp, high-pitched sound, typically made by a door or floorboard when it moves or is pushed.
The part(s) of speech that has an "A" sound are: Adjective and Adverb.
Sound
adjective
The amplitude of a waveform describes a sound's loudness. The greater the amplitude, the louder the sound.
The part of speech that describes a noun is called an adjective. Adjectives are words that modify or describe nouns by providing more information about their characteristics, qualities, or attributes.
"Taciturn" is an adjective. It describes someone who is reserved or uncommunicative in speech.
The word faithful is an adjective. It describes someone who is loyal.
Study is a verb. It describes an action.
Jump is a verb. It describes an action.
Sandwich is a noun. It describes a thing.
Persuaded is a verb. It describes an action.
Acquire is a verb. It describes an action.