altophobia

noun

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

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

The verdict

“altophobia” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Fear of heights.

Key facts for altophobia
PropertyValue
Headwordaltophobia
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “altophobia” sits in English frequency

altophobia falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

altophobia is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Fear of heights.".

We couldn't generate a plausible misspelling set for altophobia, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin altus (“high”) + -o- + -phobia. The correct English form is altophobia, spelled A-L-T-O-P-H-O-B-I-A.

Definition

  1. 1
    Fear of heights.

Etymology

From Latin altus (“high”) + -o- + -phobia.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "altophobia"?
"altophobia" is spelled A-L-T-O-P-H-O-B-I-A.
What does "altophobia" mean?
As a noun, "altophobia" means: Fear of heights.
What is the origin of the word "altophobia"?
From Latin altus (“high”) + -o- + -phobia. See the full etymology section above for more details.
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 “altophobia”

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

  • The one correct English spelling is A-L-T-O-P-H-O-B-I-A - 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