Isotop

[izoˈtoːp]

/[izoˈtoːp]/ noun

The verdict

“Isotop” is uncommon German (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency German
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Variante eines Atoms, mit gleicher Protonenzahl, aber mit verschiedener Neutronenzahl im Atomkern

Corpus desk

Index DE-isotop · Isotop · German

Isotop · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

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.

Key facts for Isotop
PropertyValue
HeadwordIsotop
LanguageGerman
Part of speechNoun
IPA[izoˈtoːp]
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Isotop” sits in German frequency

Isotop falls outside the top-100,000 ranked German words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Isotop is uncommon German outside the top frequency list, classed as anoun, transcribed [izoˈtoːp]. Rarity is why readers land here mid-draft. Gloss: "Variante eines Atoms, mit gleicher Protonenzahl, aber mit verschiedener Neutronenzahl im Atomkern".

We couldn't generate a plausible misspelling set for Isotop, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct German form is Isotop, spelled I-S-O-T-O-P.

Definition

  1. 1
    Variante eines Atoms, mit gleicher Protonenzahl, aber mit verschiedener Neutronenzahl im Atomkern

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Isotop"?
"Isotop" is spelled I-S-O-T-O-P. The IPA pronunciation is [izoˈtoːp].
What does "Isotop" mean?
As a noun, "Isotop" means: Variante eines Atoms, mit gleicher Protonenzahl, aber mit verschiedener Neutronenzahl im Atomkern
How do you pronounce "Isotop"?
The IPA (International Phonetic Alphabet) transcription for "Isotop" is [izoˈtoːp]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Isotop" come from?
"Isotop" is a German 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.
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