ligase

/ˈlɪɡeɪz/

//ˈlɪɡeɪz// noun

"ligase" is a 6-letter English headword indexed on PlainSpell.

The verdict

“ligase” is uncommon English (frequency #89,551 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.

#89,551
frequency rank, English
2,297
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a group of enzymes that catalyze the binding of two molecules; synthetase.

Corpus desk

Index EN-ligase · ligase · English

ligase · rank #89,551 · 0 variants · 0 confusables

  • FREQ-RARE #89,551
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH lipophilic

Nearest frequency peer: lipophilic (+3 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 “ligase”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ligase
PropertyValue
Headwordligase
LanguageEnglish
Part of speechNoun
IPA/ˈlɪɡeɪz/
Letters6
Frequency rank#89,551
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ligase” 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).ligasefalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “lipophilic” (#89,554), “Letourneau” (#89,546), “livability” (#89,557). Among 2,297 “L” headwords, “ligase” is #89,551. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ligase is uncommon English at frequency #89,551 among 2,297 “L” headwords, classed as anoun, transcribed /ˈlɪɡeɪz/. Rarity is why readers land here mid-draft. Gloss: "Any of a group of enzymes that catalyze the binding of two molecules; synthetase.".

ligase has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From lig- + -ase. The correct English form is ligase, spelled L-I-G-A-S-E.

Definition

  1. 1
    Any of a group of enzymes that catalyze the binding of two molecules; synthetase.

Recorded use

Wiktionary example

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

  1. The glue is an enzyme called ligase, which stitches together loose sentences of DNA whenever it comes across them.

Etymology

From lig- + -ase.

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 "ligase"?
"ligase" is spelled L-I-G-A-S-E. The IPA pronunciation is /ˈlɪɡeɪz/.
What does "ligase" mean?
As a noun, "ligase" means: Any of a group of enzymes that catalyze the binding of two molecules; synthetase.
How do you pronounce "ligase"?
The IPA (International Phonetic Alphabet) transcription for "ligase" is /ˈlɪɡeɪz/. 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 "ligase"?
From lig- + -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 "ligase", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list