gapvsgluWhat's the difference?

Which to use

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

#14,684
“gap” frequency rank
#47,358
“glu” frequency rank
62042
confusion score

Side-by-Side Comparison

Feature gap glu
Definition Dans un solide, différence d’énergie entre la bande de conduction et la bande de valence. Colle végétale extraite du houx, du gui, des baies de genêt, dont on se sert surtout pour prendre les oiseaux.

Where the eye mixes gap and glu

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

3 ch
gap
3 ch
glu

Why the eye confuses gap with glu

A purely visual mix-up. gap (\ɡap\) and glu (\ɡly\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 62042, derived from the frequency rank of both members and their visual similarity.

gap is recorded at frequency rank #14,684, classified as anoun, pronounced \ɡap\. glu is at rank #47,358, tagged as anoun, pronounced \ɡly\.

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 62042, this pair ranks #89,152 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of gap vs glu

Shared letters: g. Private to "gap": ap. Private to "glu": lu.

"gap" · 3 letters · shape CVC  ·  "glu" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "gap" for "glu" ever safe?
No. They are said differently (\ɡap\ versus \ɡly\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "gap" or "glu"?
"gap" is the more common of the two: it sits at frequency rank #14,684 in our French list, against #47,358 for "glu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "gap" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "glu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #89,152 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "gap" and "glu" also get mixed up with nearby pairs, the highest-scored neighbour is "glu vs glue". Nearby pair

Confusion rank #89,152 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