molasse

/məˈlæs/

//məˈlæs// noun

"molasse" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A shallow deposit of sandstone, shale and conglomerate in front of a rising mountain chain.

Corpus desk

Index EN-molasse · molasse · English

molasse · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" 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 molasse
PropertyValue
Headwordmolasse
LanguageEnglish
Part of speechNoun
IPA/məˈlæs/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “molasse” in English

molasseranks 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

molasse is uncommon English outside the top frequency list, classed as anoun, transcribed /məˈlæs/. Rarity is why readers land here mid-draft. Gloss: "A shallow deposit of sandstone, shale and conglomerate in front of a rising mountain chain.".

molasse doesn't appear in our generated misspelling 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: From French molasse, a kind of sandstone, from Latin mollis (“soft”). The correct English form is molasse, spelled M-O-L-A-S-S-E.

Definition

  1. 1
    A shallow deposit of sandstone, shale and conglomerate in front of a rising mountain chain.

Recorded use

Wiktionary example

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

  1. The molasse provides a record of the wearing down of the Alpine range at a late stage; unlike the Flysch, it is largely non-marine.

Etymology

From French molasse, a kind of sandstone, from Latin mollis (“soft”).

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 "molasse"?
"molasse" is spelled M-O-L-A-S-S-E. The IPA pronunciation is /məˈlæs/.
What does "molasse" mean?
As a noun, "molasse" means: A shallow deposit of sandstone, shale and conglomerate in front of a rising mountain chain.
How do you pronounce "molasse"?
The IPA (International Phonetic Alphabet) transcription for "molasse" is /məˈlæs/. 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 "molasse"?
From French molasse, a kind of sandstone, from Latin mollis (“soft”). 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