oncogene

/ˈɒŋkə(ʊ)dʒiːn/

//ˈɒŋkə(ʊ)dʒiːn// noun

"oncogene" is a 8-letter English headword indexed on PlainSpell.

The verdict

“oncogene” is uncommon English (frequency #67,703 among 1,431 “O” headwords), classed as a noun. The kind of spelling people second-guess.

#67,703
frequency rank, English
1,431
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels.

Corpus desk

Index EN-oncogene · oncogene · English

oncogene · rank #67,703 · 0 variants · 0 confusables

  • FREQ-RARE #67,703
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH ontologies

Nearest frequency peer: ontologies (+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.

Long-tail ranks near “oncogene”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “oncogene” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for oncogene
PropertyValue
Headwordoncogene
LanguageEnglish
Part of speechNoun
IPA/ˈɒŋkə(ʊ)dʒiːn/
Letters8
Frequency rank#67,703
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “oncogene” in English

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

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “ontologies” (#67,704), “OIS” (#67,701), “ohana” (#67,700). Among 1,431 “O” headwords, “oncogene” is #67,703. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

oncogene is uncommon English at frequency #67,703 among 1,431 “O” headwords, classed as anoun, transcribed /ˈɒŋkə(ʊ)dʒiːn/. Rarity is why readers land here mid-draft. Gloss: "Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels.".

oncogene has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From onco- + gene. The correct English form is oncogene, spelled O-N-C-O-G-E-N-E.

Definition

  1. 1
    Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels.

Recorded use

Wiktionary example

These source excerpts show how oncogene appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. It was obvious from the start what kinds of genes oncogenes would turn out to be – genes that encourage cells to grow.

Etymology

From onco- + gene.

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); 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

How do you spell "oncogene"?
"oncogene" is spelled O-N-C-O-G-E-N-E. The IPA pronunciation is /ˈɒŋkə(ʊ)dʒiːn/.
What does "oncogene" mean?
As a noun, "oncogene" means: Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels.
How do you pronounce "oncogene"?
The IPA (International Phonetic Alphabet) transcription for "oncogene" is /ˈɒŋkə(ʊ)dʒiːn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "oncogene"?
From onco- + gene. See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "oncogene", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list