Isaac

[isaˈak]

/[isaˈak]/ name

The verdict

“Isaac” is a regularly-used Spanish word, ranked #9,309 in Spanish word frequency and used as a proper noun.

#9,309
frequency rank, Spanish
5
letters
6
tracked misspellings
5
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Nombre de pila de varón.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Isaac vs isla
40% similar
Isaac vs Islas
60% similar
Isaac vs islam
40% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Isaac
PropertyValue
HeadwordIsaac
LanguageSpanish
Part of speechProper noun
IPA[isaˈak]
Letters5
Frequency rank#9,309
Misspellings tracked6
Confusable pairs5
SourceWiktionary (kaikki.org)

Where “Isaac” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Isaac lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Spanish entry for Isaac is 5 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as [isaˈak]. Corpus data places it at rank #9,309 in overall Spanish word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "Nombre de pila de varón.".

Our generated misspelling index lists 6 likely wrong-spelling variants for Isaac, with forms such as "iasac", "isaacc", and "isac". 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 5 confusable-pair relationships, "isla", "Islas", "islam", and more, where similar look or sound leads writers to substitute one word for another in context.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Spanish form is Isaac, spelled I-S-A-A-C.

Definition

  1. 1
    Nombre de pila de varón.

Common misspellings

Also misspelled as: iasac,isaacc,isac,isaca,issaac,siaac

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Isaac - 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.

iasac2isaacc1isac1isaca2issaac1siaac2
Edit distance from "Isaac"

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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Isaac"?
"Isaac" is spelled I-S-A-A-C. The IPA pronunciation is [isaˈak].
What does "Isaac" mean?
As a proper noun, "Isaac" means: Nombre de pila de varón.
What words are commonly confused with "Isaac"?
"Isaac" is commonly confused with "isla", "Islas", "islam". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Isaac"?
The IPA (International Phonetic Alphabet) transcription for "Isaac" is [isaˈak]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Isaac" come from?
"Isaac" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “Isaac”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is I-S-A-A-C - every other letter order is a misspelling in standard orthography.
  • Say it as [isaˈak] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “isla” - see the side-by-side comparison. Isaac vs isla
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list