XSS
"xss" is a 3-letter English headword indexed on PlainSpell.
The verdict
“XSS” is uncommon English (frequency #92,265 among 54 “X” headwords), classed as a noun. The kind of spelling people second-guess.
- #92,265
- frequency rank, English
- 54
- “X” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of cross-site scripting.
Corpus desk
Index EN-xss · XSS · English
XSS · rank #92,265 · 0 variants · 0 confusables
- FREQ-RARE #92,265
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 54
- PHOTO-FINISH yok
Nearest frequency peer: yok (+4 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 “XSS”
Sparse band: bars invert rank so rarer forms read shorter
- workaday
workaday
7,745 corpus weight
- wormy
wormy
7,744 corpus weight
- Wurlitzer
Wurlitzer
7,742 corpus weight
- XSS
XSS
7,736 corpus weight
- yok
yok
7,732 corpus weight
- Yokosuka
Yokosuka
7,731 corpus weight
What this shows Long-tail view: where “XSS” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | XSS |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #92,265 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “XSS” in English
Rare enough to double-check
XSS is uncommon English at frequency #92,265 among 54 “X” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Abbreviation of cross-site scripting.".
XSS doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: The X denotes cross. CSS was avoided because of the potential for confusion with the existing Web technology named cascading style sheets. The correct English form is XSS, spelled X-S-S.
Definition
- 1Abbreviation of cross-site scripting.
Etymology
The X denotes cross. CSS was avoided because of the potential for confusion with the existing Web technology named cascading style sheets.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "XSS", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).