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 26,416 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#63,561
frequency rank, English
26,416
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having a derivative, said of a function whose domain and codomain are manifolds.

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)

Where “differentiable” 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). differentiable 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

differentiable is uncommon English at frequency #63,561 among 26,416 “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.

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.

Using “differentiable”

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

  • The one correct English spelling is D-I-F-F-E-R-E-N-T-I-A-B-L-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/ (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