pairwise

/ˈpɛə.waɪz/

//ˈpɛə.waɪz// adj

"pairwise" is a 8-letter English headword indexed on PlainSpell.

The verdict

“pairwise” is uncommon English (frequency #56,962 among 46,516 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#56,962
frequency rank, English
46,516
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Occurring in pairs; two at a time.

Key facts for pairwise
PropertyValue
Headwordpairwise
LanguageEnglish
Part of speechAdjective
IPA/ˈpɛə.waɪz/
Letters8
Frequency rank#56,962
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “pairwise” 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). pairwise 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

pairwise is uncommon English at frequency #56,962 among 46,516 “P” headwords, classed as anadjective, transcribed /ˈpɛə.waɪz/. Rarity is why readers land here mid-draft. Gloss: "Occurring in pairs; two at a time.".

Our edit-distance generator produced no likely misspellings for pairwise, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our 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 pair + -wise. The correct English form is pairwise, spelled P-A-I-R-W-I-S-E.

Definition

  1. 1
    Occurring in pairs; two at a time.

Etymology

From pair + -wise.

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 "pairwise"?
"pairwise" is spelled P-A-I-R-W-I-S-E. The IPA pronunciation is /ˈpɛə.waɪz/.
What does "pairwise" mean?
As an adjective, "pairwise" means: Occurring in pairs; two at a time.
How do you pronounce "pairwise"?
The IPA (International Phonetic Alphabet) transcription for "pairwise" is /ˈpɛə.waɪz/. 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 "pairwise"?
From pair + -wise. 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 “pairwise”

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

  • The one correct English spelling is P-A-I-R-W-I-S-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈpɛə.waɪz/ (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