reductase

Name: reductase, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

/ɹɪˈdʌk.teɪz/

//ɹɪˈdʌk.teɪz// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“reductase” has 13 generated spelling variants in the English index at frequency #41,341. The variants make it a useful spelling check.

#41,341
frequency rank, English: 3,094
“R” headwords: 13
tracked misspellings: 1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An enzyme that chemically reduces its substrate.

Corpus desk

Index EN-reductase · reductase · English

reductase · rank #41,341 · 13 variants · 1 confusable

FREQ-MID #41,341
LEN-LONG 9 letters
VOW-4 4 vowels
CONFUS-LOW 1 pairs
VAR-HIGH 13 variants
BOOK-MID 3,094
PHOTO-FINISH reciprocating

Nearest frequency peer: reciprocating (-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.

rebelling

58,663
recede

58,662
reciprocati…

58,661
reductase

58,660
reestablish

58,659
reintroduce

58,658

What this shows “reductase” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

reductase vs reductive

78% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for reductase
Property	Value
Headword	reductase
Language	English
Part of speech	Noun
IPA	/ɹɪˈdʌk.teɪz/
Letters	9
Frequency rank	#41,341
Misspellings tracked	13
Confusable pairs	1
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “reductase”

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

#41,341

#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. Same rarity band neighbours include “reciprocating” (#41,340), “reestablish” (#41,342), “recede” (#41,339). Among 3,094 “R” headwords, “reductase” is #41,341. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around reductase (IPA /ɹɪˈdʌk.teɪz/), anoun. Corpus frequency is #41,341 among 3,094 “R” headwords. Dominant gloss: "An enzyme that chemically reduces its substrate.".

Our generated misspelling index lists 13 likely wrong-spelling variants for reductase, with forms such as "erductase", "rdeuctase", and "redcutase". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "reductive", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From reduct(ion) + -ase. The correct English form is reductase, spelled R-E-D-U-C-T-A-S-E.

Definition

1
An enzyme that chemically reduces its substrate.

Recorded use

Wiktionary example

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

disulfide reduction by glutathione is a three-step process, the last of which is catalyzed by glutathione reductase

Etymology

From reduct(ion) + -ase.

This word in other languages

reductasa(Español)réductase(Français)

Common misspellings

Also misspelled as:

erductase
rdeuctase
redcutase
redductase
reducatse
reducctase
reductaes
reductasse
reductsae
reducttase
redutcase
reudctase
rreductase

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of reductase - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

Edit distance from "reductase"

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 "reductase"?

"reductase" is spelled R-E-D-U-C-T-A-S-E. The IPA pronunciation is /ɹɪˈdʌk.teɪz/.

What does "reductase" mean?

As a noun, "reductase" means: An enzyme that chemically reduces its substrate.

What words are commonly confused with "reductase"?

"reductase" is commonly confused with "reductive". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.

How do you pronounce "reductase"?

The IPA (International Phonetic Alphabet) transcription for "reductase" is /ɹɪˈdʌk.teɪz/. 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 "reductase"?

From reduct(ion) + -ase. 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 "reductase", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

rebelling#41,338 reachable#41,334 revulsion#41,351 Richelieu#41,353

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

ranching13 variants purplish13 variants Sandberg13 variants Plutarch13 variants