differentiable

/ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/

//ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl// adj

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

"differentiable" is a 14-letter English headword indexed on PlainSpell.

The verdict

“differentiable” is uncommon English (frequency #63,561 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#63,561
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having a derivative, said of a function whose domain and codomain are manifolds.

Corpus desk

Index EN-differentiable · differentiable · English

differentiable · rank #63,561 · 0 variants · 0 confusables

  • FREQ-RARE #63,561
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH Dieppe

Nearest frequency peer: Dieppe (-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 “differentiable”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for differentiable
PropertyValue
Headworddifferentiable
LanguageEnglish
Part of speechAdjective
IPA/ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/
Letters14
Frequency rank#63,561
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “differentiable” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).differentiablefalls 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: “Dieppe” (#63,560), “dignify” (#63,563), “devoutly” (#63,557). Among 3,470 “D” headwords, “differentiable” is #63,561. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

differentiable is uncommon English at frequency #63,561 among 3,470 “D” headwords, classed as anadjective, transcribed /ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for differentiable, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From differentiate + -able. The correct English form is differentiable, spelled D-I-F-F-E-R-E-N-T-I-A-B-L-E.

Definition

  1. 1
    Having a derivative, said of a function whose domain and codomain are manifolds.
  2. 2
    able to be differentiated; distinguishable, as for example by differing appearance or measurable characteristics.

Recorded use

Wiktionary examples

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

  1. A function which is differentiable wherever it is continuous is said to possess ordinary continuity.
  2. It would, in that case, have been as real as it now is, and would have been differentiable from its Maker as an effect is differentiable from its cause.

Etymology

From differentiate + -able.

Synonyms

differentiatable

This word in other languages

dérivable(Français)differenzierbar(Deutsch)derivável(Português)

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 "differentiable"?
"differentiable" is spelled D-I-F-F-E-R-E-N-T-I-A-B-L-E. The IPA pronunciation is /ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/.
What does "differentiable" mean?
As an adjective, "differentiable" means: Having a derivative, said of a function whose domain and codomain are manifolds.
How do you pronounce "differentiable"?
The IPA (International Phonetic Alphabet) transcription for "differentiable" is /ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/. 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 "differentiable"?
From differentiate + -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 "differentiable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

electroplating#63,589bipartisanship#63,460unacknowledged#63,332neuroendocrine#63,835

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

Source: FrequencyWords open word-frequency list