is
/ɪz/
"is" is a 2-letter English headword indexed on PlainSpell.
The verdict
“is” sits in 20 confusable pairs (corpus #8) as a verb. The look-alike neighbours are the real trap.
- #8
- frequency rank, English
- 2,140
- “I” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - third-person singular simple present indicative of be
Corpus desk
Index EN-is · is · English
is · rank #8 · 0 variants · 20 confusables
- FREQ-CORE #8
- LEN-SHORT 2 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH i
Nearest frequency peer: i (-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 neighbourhood for “is”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- A
A
99,996 corpus weight
- in
in
99,995 corpus weight
- i
i
99,994 corpus weight
- is
is
99,993 corpus weight
- for
for
99,992 corpus weight
- that
that
99,991 corpus weight
What this shows Bars show where “is” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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 | is |
| Language | English |
| Part of speech | Verb |
| IPA | /ɪz/ |
| Letters | 2 |
| Frequency rank | #8 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “is” sits in English frequency
Easy to mix with look-alikes
The spelling risk for is is neighbouring look-alikes ("it", "IV", …), not just typos; it is averb pronounced /ɪz/. Frequency #8 among 2,140 “I” headwords. 3 recorded senses keep meaning in play.
Zero misspellings are on record for is in our index, suggesting the orthography follows predictable English patterns. It also participates in 20 confusable-pair relationships, "it", "IV", "iz", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: Etymology tree Proto-Indo-European *h₁es- Proto-Indo-European *h₁ésti Proto-Germanic *isti Proto-West Germanic *ist Old English is Middle English is English is From Middle English is, from Old English is, from Proto-West Germanic *ist, from Proto-Germanic *… The correct English form is is, spelled I-S.
Definition
- 1third-person singular simple present indicative of be
- 2Used in phrases with existential there (also here and where) when the semantic subject is plural.
- 3present indicative of be; am, are, is.
Recorded use
Wiktionary examplesThese source excerpts show how is appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
He is a doctor.
"It depends on what the meaning of the word 'is' is."
Etymology
Etymology tree Proto-Indo-European *h₁es- Proto-Indo-European *h₁ésti Proto-Germanic *isti Proto-West Germanic *ist Old English is Middle English is English is From Middle English is, from Old English is, from Proto-West Germanic *ist, from Proto-Germanic *isti (a form of Proto-Germanic *wesaną (“to be”)), from Proto-Indo-European *h₁ésti (“is”). Cognate with West Frisian is (“is”), Dutch is (“is”), German ist (“is”), Yiddish איז (iz, “is”), Afrikaans is (“am, are, is”) Old Swedish är, er, Old Norse er, es. Further cognates include, among others, Latin est, Ancient Greek ἐστί (estí), Sanskrit अस्ति (asti), Persian است (ast), Russian есть (jestʹ), all with the same meaning.
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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What to do next
You've looked up "is". Here's where to go from here.
- "is" maps to 20 confusable pairs in this vintage; the highest-scored is "it". View pair
- Usage frequency rank #8 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "I" letter cohort. I–Z browse
- PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.