lactose-free

adj

"lactose-free" is a 11-letter English headword indexed on PlainSpell.

The verdict

“lactose-free” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)

Corpus desk

Index EN-lactose-free · lactose-free · English

lactose-free · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" 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 lactose-free
PropertyValue
Headwordlactose-free
LanguageEnglish
Part of speechAdjective
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “lactose-free” in English

lactose-freefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

lactose-free is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)".

No generated misspelling entries exist for lactose-free in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From lactose + -free. The correct English form is lactose-free, spelled L-A-C-T-O-S-E---F-R-E-E.

Definition

  1. 1
    Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)

Etymology

From lactose + -free.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "lactose-free"?
"lactose-free" is spelled L-A-C-T-O-S-E---F-R-E-E.
What does "lactose-free" mean?
As an adjective, "lactose-free" means: Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)
What is the origin of the word "lactose-free"?
From lactose + -free. 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