hum

As verbs the difference between mumble and hum

is that mumble is to speak unintelligibly or inaudibly; to fail to articulate while hum is to make a sound from the vocal chords without pronouncing any real words, with one's lips closed.

As nouns the difference between mumble and hum

is that mumble is a quiet or unintelligible vocalization while hum is a hummed tune, i.e. created orally with lips closed.

As an interjection hum is

hmm; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.

As nouns the difference between hum and chatter

is that hum is twilight, dusk while chatter is talk, especially meaningless or unimportant talk or chatter can be one who chats.

As a verb chatter is

to talk idly.

As nouns the difference between whine and hum

is that whine is a long-drawn, high-pitched complaining cry or sound while hum is twilight, dusk.

As a verb whine

is to utter a high-pitched cry.

As nouns the difference between hum and zoom

is that hum is twilight, dusk while zoom is zoom, augmentation of a view as with a camera lens.

As nouns the difference between humanities and hum

is that humanities is while hum is twilight, dusk.

As nouns the difference between hum and bumblebees

is that hum is twilight, dusk while bumblebees is .

As nouns the difference between hum and haw

is that hum is a hummed tune, i.e. created orally with lips closed while haw is fruit of the hawthorn.

As verbs the difference between hum and haw

is that hum is to make a sound from the vocal chords without pronouncing any real words, with one's lips closed while haw is to stop, in speaking, with a sound like haw; to speak with interruption and hesitation.

As interjections the difference between hum and haw

is that hum is hmm; an inarticulate sound uttered in a pause of speech implying doubt and deliberation while haw is an imitation of laughter, often used to express scorn or disbelief. Often doubled or tripled (haw haw or haw haw haw).

As a proper noun Haw is

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As an initialism ho

is , in economics.

As a noun hum is

twilight, dusk.

In intransitive terms the difference between hum and murmur

is that hum is to produce low sounds which blend continuously while murmur is to speak or make low, indistinguishable noise; to mumble, mutter.

In transitive terms the difference between hum and murmur

is that hum is to express by humming while murmur is to say (something) indistinctly, to mutter.

As an interjection hum

is hmm; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.

In transitive terms the difference between hymn and hum

is that hymn is to praise or extol in hymns while hum is to express by humming.

As an interjection hum is

hmm; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.