so that
"so-that" is a 6-letter English headword indexed on PlainSpell.
The verdict
“so that” is outside the top-ranked English vocabulary, used as a conjunction - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Indicates result; in order that, with the result that.
| Property | Value |
|---|---|
| Headword | so that |
| Language | English |
| Part of speech | Conjunction |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “so that” sits in English frequency
Spelling & Dictionary Insight
The English entry for so that is 7 letters long, classified as a conjunction. 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.
so that doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Middle English so that, so þat, sa þat, swo þat, swa þat, from Old English swā þæt, equivalent to so + that. Cognate with Saterland Frisian sodät, West Frisian sadat, Dutch zodat, German sodaß, sodass. The correct English form is so that, spelled S-O- -T-H-A-T.
Definition
- 1Indicates result; in order that, with the result that.
- 2Indicates purpose; in such a way that, with the intent that.
Etymology
From Middle English so that, so þat, sa þat, swo þat, swa þat, from Old English swā þæt, equivalent to so + that. Cognate with Saterland Frisian sodät, West Frisian sadat, Dutch zodat, German sodaß, sodass.
Synonyms
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 “so that”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-O- -T-H-A-T - 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.