stepsister
"stepsister" is a 10-letter English headword indexed on PlainSpell.
The verdict
“stepsister” is uncommon English (frequency #56,465 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #56,465
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The daughter of one's stepparent by a previous relationship.
| Property | Value |
|---|---|
| Headword | stepsister |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #56,465 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “stepsister” sits in English frequency
Rare enough to double-check
stepsister is uncommon English at frequency #56,465 among 54,294 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for stepsister, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From step- + sister. The correct English form is stepsister, spelled S-T-E-P-S-I-S-T-E-R.
Definition
- 1The daughter of one's stepparent by a previous relationship.
- 2The stepdaughter of one's parent which is not one's half-sister.
Etymology
From step- + sister.
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); 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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Using “stepsister”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-T-E-P-S-I-S-T-E-R - every other letter order is a misspelling in standard orthography.
- 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.