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 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.

#67,703
frequency rank, English
15,494
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels.

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)

Where “oncogene” sits in English 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). oncogene lands here:

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

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

Rare enough to double-check

oncogene is uncommon English at frequency #67,703 among 15,494 “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.

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.

Using “oncogene”

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

  • The one correct English spelling is O-N-C-O-G-E-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɒŋkə(ʊ)dʒiːn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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