extendable

/ɛkˈstɛndəbl̩/

//ɛkˈstɛndəbl̩// adj

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

The verdict

“extendable” is uncommon English (frequency #58,678 among 2,246 “E” headwords), classed as an adjective. The kind of spelling people second-guess.

#58,678
frequency rank, English
2,246
“E” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Capable of being extended.

Corpus desk

Index EN-extendable · extendable · English

extendable · rank #58,678 · 0 variants · 0 confusables

  • FREQ-RARE #58,678
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH factorization

Nearest frequency peer: factorization (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “extendable”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “extendable” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for extendable
PropertyValue
Headwordextendable
LanguageEnglish
Part of speechAdjective
IPA/ɛkˈstɛndəbl̩/
Letters10
Frequency rank#58,678
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “extendable” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).extendablefalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “factorization” (#58,679), “exorcise” (#58,675), “excl” (#58,674). Among 2,246 “E” headwords, “extendable” is #58,678. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

extendable is uncommon English at frequency #58,678 among 2,246 “E” headwords, classed as anadjective, transcribed /ɛkˈstɛndəbl̩/. Rarity is why readers land here mid-draft. Gloss: "Capable of being extended.".

extendable has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From extend + -able. The correct English form is extendable, spelled E-X-T-E-N-D-A-B-L-E.

Definition

  1. 1
    Capable of being extended.

Recorded use

Wiktionary example

These source excerpts show how extendable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The extendable boom of the arm is designed to reach out 10 feet and have a lateral range of 120 degrees.

Etymology

From extend + -able.

This word in other languages

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 "extendable"?
"extendable" is spelled E-X-T-E-N-D-A-B-L-E. The IPA pronunciation is /ɛkˈstɛndəbl̩/.
What does "extendable" mean?
As an adjective, "extendable" means: Capable of being extended.
How do you pronounce "extendable"?
The IPA (International Phonetic Alphabet) transcription for "extendable" is /ɛkˈstɛndəbl̩/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "extendable"?
From extend + -able. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "extendable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list