differentially

adv

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

The verdict

“differentially” is uncommon English (frequency #51,061 among 26,416 “D” headwords), classed as an adverb. The kind of spelling people second-guess.

#51,061
frequency rank, English
26,416
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - In a differential manner

Key facts for differentially
PropertyValue
Headworddifferentially
LanguageEnglish
Part of speechAdverb
Letters14
Frequency rank#51,061
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “differentially” 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). differentially 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

differentially is uncommon English at frequency #51,061 among 26,416 “D” headwords, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.

differentially has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From differential + -ly. The correct English form is differentially, spelled D-I-F-F-E-R-E-N-T-I-A-L-L-Y.

Definition

  1. 1
    In a differential manner
  2. 2
    With regard to differentiation

Etymology

From differential + -ly.

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 "differentially"?
"differentially" is spelled D-I-F-F-E-R-E-N-T-I-A-L-L-Y.
What does "differentially" mean?
As an adverb, "differentially" means: In a differential manner
What is the origin of the word "differentially"?
From differential + -ly. 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 “differentially”

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-L-L-Y - every other letter order is a misspelling in standard orthography.
  • 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