parallel

/ˈpæ.ɹəˌlɛl/

//ˈpæ.ɹəˌlɛl// adj

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

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

The verdict

“parallel” is a regularly-used English word, ranked #4,546 in English word frequency and used as an adjective.

#4,546
frequency rank, English
8
letters
10
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Equally distant from one another at all points.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

parallel vs parable
75% similar
parallel vs parallax
75% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for parallel
PropertyValue
Headwordparallel
LanguageEnglish
Part of speechAdjective
IPA/ˈpæ.ɹəˌlɛl/
Letters8
Frequency rank#4,546
Misspellings tracked10
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “parallel” 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). parallel lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for parallel is 8 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈpæ.ɹəˌlɛl/. Corpus data places it at rank #4,546 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for parallel, with forms such as "aprallel", "paarllel", and "paralel". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "parable", "parallax", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle French parallèle and its etymon Latin parallēlus, parallēlos. The verb is from the noun. By surface analysis, par- + all- + -el. The correct English form is parallel, spelled P-A-R-A-L-L-E-L.

Definition

  1. 1
    Equally distant from one another at all points.
  2. 2
    Having the same overall direction; the comparison is indicated with "to".
  3. 3
    Either not intersecting, or coinciding.
  4. 4
    Involving the processing of multiple tasks at the same time.
  5. 5
    Analogous, similar, comparable.
  6. 6
    Coexisting but normally not interacting with the regular reality.

Etymology

From Middle French parallèle and its etymon Latin parallēlus, parallēlos. The verb is from the noun. By surface analysis, par- + all- + -el.

Antonyms

antiparallelperpendicularskew

This word in other languages

paralelo(Español)parallèle(Français)parallel(Deutsch)

Common misspellings

Also misspelled as: aprallel,paarllel,paralel,paralell,parallell,parallle,parlalel,parrallel,pparallel,praallel

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of parallel - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

aprallel2paarllel2paralel1paralell2parallell1parallle2parlalel2parrallel1
Edit distance from "parallel"

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 "parallel"?
"parallel" is spelled P-A-R-A-L-L-E-L. The IPA pronunciation is /ˈpæ.ɹəˌlɛl/.
What does "parallel" mean?
As an adjective, "parallel" means: Equally distant from one another at all points.
What words are commonly confused with "parallel"?
"parallel" is commonly confused with "parable", "parallax". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "parallel"?
The IPA (International Phonetic Alphabet) transcription for "parallel" is /ˈpæ.ɹəˌlɛl/. 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 "parallel"?
From Middle French parallèle and its etymon Latin parallēlus, parallēlos. The verb is from the noun. By surface analysis, par- + all- + -el. 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 “parallel”

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

  • The one correct English spelling is P-A-R-A-L-L-E-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈpæ.ɹəˌlɛl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “parable” - see the side-by-side comparison. parallel vs parable
  • Browse more English words and confusable pairs in the same reference. English words
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