xor
/ɛksˈo(ɹ)/
"xor" is a 3-letter English headword indexed on PlainSpell.
The verdict
“xor” is uncommon English (frequency #69,597 among 1,183 “X” headwords), classed as a noun. The kind of spelling people second-guess.
- #69,597
- frequency rank, English
- 1,183
- “X” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.
| Property | Value |
|---|---|
| Headword | xor |
| Language | English |
| Part of speech | Noun |
| IPA | /ɛksˈo(ɹ)/ |
| Letters | 3 |
| Frequency rank | #69,597 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “xor” sits in English frequency
Rare enough to double-check
xor is uncommon English at frequency #69,597 among 1,183 “X” headwords, classed as anoun, transcribed /ɛksˈo(ɹ)/. Rarity is why readers land here mid-draft. Gloss: "The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.".
No generated misspelling entries exist for xor in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is xor, spelled X-O-R.
Definition
- 1The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.
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.
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Using “xor”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is X-O-R - every other letter order is a misspelling in standard orthography.
- Say it as /ɛksˈo(ɹ)/ (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.