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 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#56,962
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Occurring in pairs; two at a time.

Corpus desk

Index EN-pairwise · pairwise · English

pairwise · rank #56,962 · 0 variants · 0 confusables

  • FREQ-RARE #56,962
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH pally

Nearest frequency peer: pally (+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 “pairwise”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
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)

Long-tail rank of “pairwise” 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).pairwisefalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “pally” (#56,963), “paddies” (#56,960), “param” (#56,964). Among 4,417 “P” headwords, “pairwise” is #56,962. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pairwise is uncommon English at frequency #56,962 among 4,417 “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.

Recorded use

Wiktionary example

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

  1. They proceeded to make pairwise comparisons.

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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list