deoxy-

prefix

"deoxy" is a 5-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Formally derived from another compound by the replacement of a hydroxy group by a hydrogen atom

Corpus desk

Index EN-deoxy · deoxy- · English

deoxy- · 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 "D" thin
  • PHOTO-UNK Peer pending

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.

Key facts for deoxy-
PropertyValue
Headworddeoxy-
LanguageEnglish
Part of speechPrefix
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “deoxy-” in English

deoxy-ranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

deoxy- is uncommon English outside the top frequency list, classed as aprefix. Rarity is why readers land here mid-draft. Gloss: "Formally derived from another compound by the replacement of a hydroxy group by a hydrogen atom".

No generated misspelling entries exist for deoxy- in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From de- + oxy-. The correct English form is deoxy-, spelled D-E-O-X-Y--.

Definition

  1. 1
    Formally derived from another compound by the replacement of a hydroxy group by a hydrogen atom

Etymology

From de- + oxy-.

Synonyms

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.

Frequently Asked Questions

How do you spell "deoxy-"?
"deoxy-" is spelled D-E-O-X-Y--.
What does "deoxy-" mean?
As a prefix, "deoxy-" means: Formally derived from another compound by the replacement of a hydroxy group by a hydrogen atom
What is the origin of the word "deoxy-"?
From de- + oxy-. 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.

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

Source: FrequencyWords open word-frequency list