Hillingdon

/ˈhɪlɪŋdən/

//ˈhɪlɪŋdən// name

By · According to Wiktionary data (CC BY-SA) ·

"hillingdon" is a 10-letter English headword indexed on PlainSpell.

The verdict

“Hillingdon” is uncommon English (frequency #77,767 among 23,837 “H” headwords), classed as a proper noun. The kind of spelling people second-guess.

#77,767
frequency rank, English
23,837
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A London borough on the west side of Greater London, England.

Key facts for Hillingdon
PropertyValue
HeadwordHillingdon
LanguageEnglish
Part of speechProper noun
IPA/ˈhɪlɪŋdən/
Letters10
Frequency rank#77,767
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Hillingdon” 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). Hillingdon lands here:

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

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

Rare enough to double-check

Hillingdon is uncommon English at frequency #77,767 among 23,837 “H” headwords, classed as aproper noun, transcribed /ˈhɪlɪŋdən/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for Hillingdon in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is Hillingdon, spelled H-I-L-L-I-N-G-D-O-N.

Definition

  1. 1
    A London borough on the west side of Greater London, England.
  2. 2
    A suburban area in Greater London, within the same borough (OS grid ref TQ0783).

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 "Hillingdon"?
"Hillingdon" is spelled H-I-L-L-I-N-G-D-O-N. The IPA pronunciation is /ˈhɪlɪŋdən/.
What does "Hillingdon" mean?
As a proper noun, "Hillingdon" means: A London borough on the west side of Greater London, England.
How do you pronounce "Hillingdon"?
The IPA (International Phonetic Alphabet) transcription for "Hillingdon" is /ˈhɪlɪŋdən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Hillingdon" come from?
"Hillingdon" 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 “Hillingdon”

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

  • The one correct English spelling is H-I-L-L-I-N-G-D-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈhɪlɪŋdən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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