Issac
"issac" is a 5-letter English headword indexed on PlainSpell.
The verdict
“Issac” sits in 11 confusable pairs (corpus #48,834) as a proper noun. The look-alike neighbours are the real trap.
- #48,834
- frequency rank, English
- 2,140
- “I” headwords
- 4
- tracked misspellings
- 11
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A male given name from Hebrew.
Corpus desk
Index EN-issac · Issac · English
Issac · rank #48,834 · 4 variants · 11 confusables
- FREQ-MID #48,834
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-MID 11 pairs
- VAR-LOW 4 variants
- BOOK-MID 2,140
- PHOTO-FINISH Irv
Nearest frequency peer: Irv (-3 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 “Issac”
Peers at similar corpus weight, separate from look-alike pairs below
- Irfan
Irfan
51,172 corpus weight
- irregularity
irregularity
51,171 corpus weight
- Irv
Irv
51,170 corpus weight
- Issac
Issac
51,167 corpus weight
- Kamloops
Kamloops
51,159 corpus weight
- Kandy
Kandy
51,158 corpus weight
What this shows Bars place “Issac” 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 | Issac |
| Language | English |
| Part of speech | Proper noun |
| Letters | 5 |
| Frequency rank | #48,834 |
| Misspellings tracked | 4 |
| Confusable pairs | 11 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “Issac”
Easy to mix with look-alikes
The spelling risk for Issac is neighbouring look-alikes ("issue", "ISA", …), not just typos; it is aproper noun. Frequency #48,834 among 2,140 “I” headwords. 3 recorded senses keep meaning in play.
Our generated misspelling index lists 4 likely wrong-spelling variants for Issac, with forms such as "isasc", "issacc", and "issca". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 11 confusable-pair relationships, "issue", "ISA", "ISS", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Old variant of Isaac. The correct English form is Issac, spelled I-S-S-A-C.
Definition
- 1A male given name from Hebrew.
- 2A Spanish surname transferred from the given name.
- 3A commune in Dordogne department, Nouvelle-Aquitaine, France.
Etymology
Old variant of Isaac.
Common misspellings
Also misspelled as:
- isasc
- issacc
- issca
- sisac
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Issac - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 "Issac", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).