ThuvstomConfusable pair

Quick tell: Thu is a name, tom is a noun, so they fill different roles in a sentence.

Which to use

“Thu” is a name and “tom” is a noun - they look or sound alike but fill different roles in a sentence.

#24,339
“Thu” frequency rank
#1,582
“tom” frequency rank
25921
confusion score

Side-by-Side Comparison

Feature Thu tom
Definition A surname. The male of the domesticated cat, especially if not neutered.

Letter map: Thu vs tom

Shared letters muted; letters that set Thu and tom apart highlighted. Shared run: 1.

3 ch
Thu
3 ch
tom

Role in the sentence - Thu and tom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thu is aname and tomanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25921, derived from the frequency rank of both members and their visual similarity.

Thu is recorded at frequency rank #24,339, classified as aname. tom is at rank #1,582, tagged as anoun, pronounced /tɒm/.

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 25921, this pair ranks #390,628 of 530,003 scored English 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 not even the same part of speech. "Thu" is a name and "tom" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Thu" or "tom" show up more?
"tom" is the more common of the two: it sits at frequency rank #1,582 in our English list, against #24,339 for "Thu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "Thu" and "tom".

  • 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 #390,628 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thu" and "tom" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Thu". Nearby pair

Confusion rank #390,628 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list