in parallel
"in-parallel" is a 10-letter English headword indexed on PlainSpell.
The verdict
“in parallel” is outside the top-ranked English vocabulary, used as a prep_phrase - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - At the same time; together, concurrently, cotemporally.
| Property | Value |
|---|---|
| Headword | in parallel |
| Language | English |
| Part of speech | Prep_phrase |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “in parallel” sits in English frequency
Spelling & Dictionary Insight
The English entry for in parallel is 11 letters long, classified as a prep_phrase. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for in parallel in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.
Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is in parallel, spelled I-N- -P-A-R-A-L-L-E-L.
Definition
- 1At the same time; together, concurrently, cotemporally.
- 2Aligned or connected side by side, instead of end to end.
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “in parallel”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N- -P-A-R-A-L-L-E-L - every other letter order is a misspelling in standard orthography.
- 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.