iso
/ˈaɪsəʊ/
"iso" is a 3-letter English headword indexed on PlainSpell.
The verdict
“iso” sits in 20 confusable pairs (corpus #9,771) as a noun. The look-alike neighbours are the real trap.
- #9,771
- frequency rank, English
- 2,140
- “I” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Clipping of isolation.
Corpus desk
Index EN-iso · iso · English
iso · rank #9,771 · 0 variants · 20 confusables
- FREQ-COMMON #9,771
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH int
Nearest frequency peer: int (-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.
Frequency neighbours of confusable “iso”
Peers at similar corpus weight, separate from look-alike pairs below
- imprisoned
imprisoned
90,233 corpus weight
- inconsistent
inconsistent
90,232 corpus weight
- int
int
90,231 corpus weight
- iso
iso
90,230 corpus weight
- Jared
Jared
90,229 corpus weight
- Johnston
Johnston
90,228 corpus weight
What this shows Bars place “iso” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
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 | iso |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈaɪsəʊ/ |
| Letters | 3 |
| Frequency rank | #9,771 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “iso”
Easy to mix with look-alikes
The spelling risk for iso is neighbouring look-alikes ("it", "IV", …), not just typos; it is anoun pronounced /ˈaɪsəʊ/. Frequency #9,771 among 2,140 “I” headwords. 3 recorded senses keep meaning in play.
Our edit-distance generator produced no likely misspellings for iso, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "it", "IV", "iz", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is iso, spelled I-S-O.
Definition
- 1Clipping of isolation.
- 2Clipping of isolation.
- 3Clipping of isomorphism.
Recorded use
Wiktionary exampleThese source excerpts show how iso appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
“I can remember lining up against them and saying, ‘This is the 15th iso that you’re going to get.’ ”
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 "iso", not the corpus desk frequency band.