mutter

As a noun mutter is

.

As nouns the difference between chirp and mutter

is that chirp is a short, sharp or high note or noise, as of a bird or insect while mutter is a repressed or obscure utterance; an instance of muttering.

As verbs the difference between chirp and mutter

is that chirp is to make a short, sharp, cheerful note, as of small birds or crickets while mutter is to utter words, especially complaints or angry expressions, indistinctly or with a low voice and lips partly closed; to say under one's breath.

As nouns the difference between sound and mutter

is that sound is a sensation perceived by the ear caused by the vibration of air or some other medium while mutter is a repressed or obscure utterance; an instance of muttering.

As verbs the difference between sound and mutter

is that sound is to produce a sound while mutter is to utter words, especially complaints or angry expressions, indistinctly or with a low voice and lips partly closed; to say under one's breath.

As an adjective sound

is healthy.

As an adverb sound

is soundly.

As an interjection sound

is yes; used to show agreement or understanding, generally without much enthusiasm.

As a proper noun Sound

is the strait that separates Zealand (an island of Denmark) from Scania (part of Sweden); also sometimes called by the Danish name, Øresund.

Cheep is a related term of mutter.

As nouns the difference between cheep and mutter

is that cheep is a short, high-pitched sound made by a small bird while mutter is .

As a verb cheep

is of a small bird, to make short, high-pitched sounds sounding like "cheep".

As an interjection cheep

is the short, high-pitched sound made by a small bird.

Twitter is a related term of mutter.

As a verb twitter

is (ambitransitive|internet) to post an update to ; to twitter or tweet.

As a noun mutter is

.

Chirrup is a related term of mutter.

As nouns the difference between chirrup and mutter

is that chirrup is a series of chirps, clicks or clucks while mutter is .

As a verb chirrup

is to make a series of chirps, clicks or clucks.

Peep is a synonym of mutter.

As an acronym peep

is (slang) a world war ii jeep attached to an armored regiment.

As a noun mutter is

.

As nouns the difference between mutter and say

is that mutter is a repressed or obscure utterance; an instance of muttering while say is one's stated opinion or input into a discussion or decision.

As verbs the difference between mutter and say

is that mutter is to utter words, especially complaints or angry expressions, indistinctly or with a low voice and lips partly closed; to say under one's breath while say is to pronounce.

As an adverb say is

Used to gain one's attention before making an inquiry or suggestion

As a conjunction say is

Used to introduce a hypothetical