AHD

noun

"ahd" is a 3-letter English headword indexed on PlainSpell.

The verdict

“AHD” is an uncommon English word, ranked #78,338 in English word frequency and used as a noun.

#78,338
frequency rank, English
3
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of alveolar hydatid disease, with parasitic worms, in human and nonhuman animals.

Key facts for AHD
PropertyValue
HeadwordAHD
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#78,338
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “AHD” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). AHD lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for AHD is 3 letters long, classified as a noun. Corpus data places it at rank #78,338 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

We couldn't generate a plausible misspelling set for AHD, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is AHD, spelled A-H-D.

Definition

  1. 1
    Initialism of alveolar hydatid disease, with parasitic worms, in human and nonhuman animals.
  2. 2
    Initialism of adenovirus hemorrhagic disease, which affects deer.
  3. 3
    Initialism of arteriosclerotic heart disease.
  4. 4
    Initialism of anti-handling device, to make naval mines and land mines more deadly.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "AHD"?
"AHD" is spelled A-H-D.
What does "AHD" mean?
As a noun, "AHD" means: Initialism of alveolar hydatid disease, with parasitic worms, in human and nonhuman animals.
What language does "AHD" come from?
"AHD" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “AHD”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-H-D - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list