H1vsHLMWhich spelling fits?

Which to use

“H1” and “HLM” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,322
“H1” frequency rank
#14,279
“HLM” frequency rank
55601
confusion score

Side-by-Side Comparison

Feature H1 HLM
Definition Échelle correspondant au rapport 1:64. Immeuble de logement géré par un organisme d’habitation à loyer modéré, public ou privé, qui bénéficie d’un financement public partiel.

Where the eye mixes H1 and HLM

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
H1
3 ch
HLM

Visual trap between H1 and HLM

A purely visual mix-up. H1 (\aʃ.œ̃\) and HLM (^((h aspiré))\a.ʃ‿ɛ.l‿ɛm\) 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 letter(s) in length. Our composite confusion score for this pair is 55601, derived from the frequency rank of both members and their visual similarity.

H1 is recorded at frequency rank #41,322, classified as anoun, pronounced \aʃ.œ̃\. HLM is at rank #14,279, tagged as anoun, pronounced ^((h aspiré))\a.ʃ‿ɛ.l‿ɛm\.

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 55601, this pair ranks #126,437 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of H1 vs HLM

Shared letters: h. Private to "H1": -. Private to "HLM": lm.

"H1" · 1 letters · shape C  ·  "HLM" · 3 letters · shape CCC

Frequently Asked Questions

Can "H1" and "HLM" be used interchangeably?
No. They are said differently (\aʃ.œ̃\ versus ^((h aspiré))\a.ʃ‿ɛ.l‿ɛm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "H1" or "HLM"?
"HLM" is the more common of the two: it sits at frequency rank #14,279 in our French list, against #41,322 for "H1". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "H1" and "HLM" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "H1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "HLM" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,437 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "H1" and "HLM" also get mixed up with nearby pairs, the highest-scored neighbour is "H1 vs hae". Nearby pair

Confusion rank #126,437 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