thuvstomConfusable pair

Which to use

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

#48,228
“thu” frequency rank
#2,600
“tom” frequency rank
50828
confusion score

Side-by-Side Comparison

Feature thu tom
Definition Forme mutée de tu par spirantisation. Abréviation courante de tom-tom (instrument de percussion).

Where the eye mixes thu and tom

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

3 ch
thu
3 ch
tom

Why the eye confuses thu with tom

A purely visual mix-up. thu (\θɨː\) and tom (\tɔm\) 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 50828, derived from the frequency rank of both members and their visual similarity.

thu is recorded at frequency rank #48,228, classified as anoun, pronounced \θɨː\. tom is at rank #2,600, tagged as anoun, pronounced \tɔm\.

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 50828, this pair ranks #159,631 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thu vs tom

Shared letters: t. Private to "thu": hu. Private to "tom": mo.

"thu" · 3 letters · shape CCV  ·  "tom" · 3 letters · shape CVC

Frequently Asked Questions

Do "thu" and "tom" mean the same thing in a sentence?
No. They are said differently (\θɨː\ versus \tɔm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "thu" or "tom" show up more?
"tom" is the more common of the two: it sits at frequency rank #2,600 in our French list, against #48,228 for "thu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "thu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #159,631 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "thu" and "tom" also get mixed up with nearby pairs, the highest-scored neighbour is "thu vs tif". Nearby pair

Confusion rank #159,631 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