sister
/ˈsɪs.tə(ɹ)/
"sister" is a 6-letter English headword indexed on PlainSpell.
The verdict
“sister” has 9 generated spelling variants in the English index at frequency #1,207. The variants make it a useful spelling check.
- #1,207
- frequency rank, English
- 6,566
- “S” headwords
- 9
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A daughter of the same parents as another person; a female sibling.
Corpus desk
Index EN-sister · sister · English
sister · rank #1,207 · 9 variants · 20 confusables
- FREQ-COMMON #1,207
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-MID 9 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH secretary
Nearest frequency peer: secretary (-1 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.
Rank peers near misspelling magnet “sister”
Same rarity band: useful when a typo lands on a peer headword
- product
product
98,797 corpus weight
- regular
regular
98,796 corpus weight
- secretary
secretary
98,795 corpus weight
- sister
sister
98,794 corpus weight
- stories
stories
98,793 corpus weight
- unit
unit
98,792 corpus weight
What this shows “sister” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | sister |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsɪs.tə(ɹ)/ |
| Letters | 6 |
| Frequency rank | #1,207 |
| Misspellings tracked | 9 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “sister”
A misspelling magnet
The generator records 9 spelling variants around sister (IPA /ˈsɪs.tə(ɹ)/), anoun. Corpus frequency is #1,207 among 6,566 “S” headwords. Wiktionary lists 12 senses, so context still picks the gloss.
Our generated misspelling index lists 9 likely wrong-spelling variants for sister, with forms such as "isster", "sisetr", and "sisster". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "site", "sites", "system", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: PIE word *swésōr From Middle English sister, suster, from Old English swustor, sweoster, sweostor (“sister, nun”); from Proto-Germanic *swestēr (“sister”), from Proto-Indo-European *swésōr (“sister”). Doublet of soror. Cognate with Scots sister, syster (“s… The correct English form is sister, spelled S-I-S-T-E-R.
Definition
- 1A daughter of the same parents as another person; a female sibling.
- 2A female member of a religious order; especially one devoted to more active service; (informal) a nun.
- 3Any butterfly in the genus Adelpha, so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.
- 4A senior or supervisory nurse, often in a hospital.
- 5Any woman or girl with whom a bond is felt through the same biological sex, gender or common membership in a community, race, profession, religion, organization, or ism.
- 6A black woman.
- 7A form of address to a woman.
- 8A female fellow member of a religious community, church, trades union etc.
- 9An entity that has a special or affectionate, non-hierarchical relationship with another.
- 10A node in a data structure that shares its parent with another node.
- 11Something in the same class.
- 12One of two tornados that form in close proximity at the same time or in quick succession.
Recorded use
Wiktionary examplesThese source excerpts show how sister appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
My sister is always driving me crazy.
Michelle left behind her bank job and became a sister at the local convent.
Etymology
PIE word *swésōr From Middle English sister, suster, from Old English swustor, sweoster, sweostor (“sister, nun”); from Proto-Germanic *swestēr (“sister”), from Proto-Indo-European *swésōr (“sister”). Doublet of soror. Cognate with Scots sister, syster (“sister”), West Frisian sus, suster (“sister”), Dutch zuster (“sister”), German Schwester (“sister”), Norwegian Bokmål søster (“sister”), Norwegian Nynorsk and Swedish syster (“sister”), Icelandic systir (“sister”), Gothic 𐍃𐍅𐌹𐍃𐍄𐌰𐍂 (swistar, “sister”), Latin soror (“sister”), Russian сестра́ (sestrá, “sister”), Lithuanian sesuo (“sister”), Albanian vajzë (“girl, maiden”), Sanskrit स्वसृ (svásṛ, “sister”), Persian خواهر (xâhar, “sister”). In standard English, the form with i is due to contamination with Old Norse systir (“sister”). The plural sistren is from Middle English sistren, a variant plural of sister, suster (“sister”); compare brethren. The sense for "Adelpha-genus butterfly" is a semantic loan from translingual Adelpha, itself from Ancient Greek ἀδελφή (adelphḗ, “sister”).
This word in other languages
Common misspellings
Also misspelled as:
- isster
- sisetr
- sisster
- sisterr
- sistre
- sistter
- sitser
- ssister
- ssiter
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of sister - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "sister", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (9 here; floor ≥5).