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Hmm vs Aha - What's the difference?

hmm | aha |

As an initialism hmm

is (computer science) hidden markov model.

As an interjection aha is

! (exclamation of sudden realisation).

hmm

English

Alternative forms

* hm, hmmm, h'm

Interjection

(en interjection)
  • Indicating thinking or pondering.
    • Hmm ... that's an interesting idea.
    Hmm ... I just can't decide between the two.
  • A demand for an answer to a question.
    • ''Just where were you until 2 a.m.? ... Hmm ?

    Synonyms

    * (l)

    Verb

    (en verb)
  • To make a thoughtful humming noise.

    • See also

    * (l) * (l) * (l)

    Anagrams

    * English words without vowels ----

    aha

    English

    Alternative forms

    * a-ha

    Interjection

    (en interjection)
  • An exclamation of understanding, realization, invention, or recognition.
    • Aha ! That will work.

    Derived terms

    * aha moment

    See also

    * ah * ha * eureka

    Anagrams

    * English palindromes ----