InsomnievsinsomniesWhich spelling fits?

Which to use

“Insomnie” and “insomnies” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,471
“Insomnie” frequency rank
#32,448
“insomnies” frequency rank
52919
confusion score

Side-by-Side Comparison

Feature Insomnie insomnies
Definition Insomnie. Pluriel de insomnie.

Where the eye mixes Insomnie and insomnies

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. Insomnie runs 8 letters (VCCVCCVV) against insomnies's 9 (VCCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
Insomnie
9 ch
insomnies

Visual trap between Insomnie and insomnies

A purely visual mix-up. Insomnie (\ɪnzɔmˈniː\) and insomnies (\ɛ̃.sɔm.ni\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “Insomnie” sits inside “insomnies”. Our composite confusion score for this pair is 52919, derived from the frequency rank of both members and their visual similarity.

Insomnie is recorded at frequency rank #20,471, classified as anoun, pronounced \ɪnzɔmˈniː\. insomnies is at rank #32,448, tagged as anoun, pronounced \ɛ̃.sɔm.ni\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 52919, this pair ranks #144,346 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Insomnie vs insomnies

Shared letters: eimnos. Private to "Insomnie": -. Private to "insomnies": -.

"Insomnie" · 8 letters · shape VCCVCCVV  ·  "insomnies" · 9 letters · shape VCCVCCVVC

Known mistypes of this pair

  • Insomnie ← innsomnie · inosmnie · insmonie · insomine · insommnie · insomnei · insomnnie · insonmie
  • insomnies ← innsomnies · inosmnies · insmonies · insomines · insommnies · insomneis · insomniess · insomnise

Frequently Asked Questions

Is swapping "Insomnie" for "insomnies" ever safe?
No. They are said differently (\ɪnzɔmˈniː\ versus \ɛ̃.sɔm.ni\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Insomnie" vs "insomnies" - which ranks higher?
"Insomnie" is the more common of the two: it sits at frequency rank #20,471 in our French list, against #32,448 for "insomnies". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Insomnie" and "insomnies" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Insomnie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "insomnies" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #144,346 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #144,346 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list