proteome

/ˈpɹəʊtɪəʊm/

//ˈpɹəʊtɪəʊm// noun

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

The verdict

“proteome” is uncommon English (frequency #89,802 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#89,802
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The complete set of proteins encoded by a particular genome.

Corpus desk

Index EN-proteome · proteome · English

proteome · rank #89,802 · 0 variants · 0 confusables

  • FREQ-RARE #89,802
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH pronotum

Nearest frequency peer: pronotum (-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 “proteome”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for proteome
PropertyValue
Headwordproteome
LanguageEnglish
Part of speechNoun
IPA/ˈpɹəʊtɪəʊm/
Letters8
Frequency rank#89,802
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “proteome” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).proteomefalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “pronotum” (#89,801), “ptarmigan” (#89,803), “publick” (#89,804). Among 4,417 “P” headwords, “proteome” is #89,802. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

proteome is uncommon English at frequency #89,802 among 4,417 “P” headwords, classed as anoun, transcribed /ˈpɹəʊtɪəʊm/. Rarity is why readers land here mid-draft. Gloss: "The complete set of proteins encoded by a particular genome.".

No generated misspelling entries exist for proteome in our index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Blend of protein + genome or proteo- + -ome. The correct English form is proteome, spelled P-R-O-T-E-O-M-E.

Definition

  1. 1
    The complete set of proteins encoded by a particular genome.

Recorded use

Wiktionary examples

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

  1. Two-dimensional (2-D) gel electrophoresis allows the separation of thousands of proteins, and provides the means for separating the proteome (the PROTEin complement expressed by a genOME) of a simple species, or the protein component of a complex tissue.
  2. So now the quest is to crack the human proteome – a concept so novel that the term proteome didn't even exist a decade ago.

Etymology

Blend of protein + genome or proteo- + -ome.

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 "proteome"?
"proteome" is spelled P-R-O-T-E-O-M-E. The IPA pronunciation is /ˈpɹəʊtɪəʊm/.
What does "proteome" mean?
As a noun, "proteome" means: The complete set of proteins encoded by a particular genome.
How do you pronounce "proteome"?
The IPA (International Phonetic Alphabet) transcription for "proteome" is /ˈpɹəʊtɪəʊm/. 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 "proteome"?
Blend of protein + genome or proteo- + -ome. 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 "proteome", 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