ThomvstomWhat's the difference?

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

Which to use

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

#22,527
“Thom” frequency rank
#1,582
“tom” frequency rank
24109
confusion score

Side-by-Side Comparison

Feature Thom tom
Definition A surname transferred from the given name. The male of the domesticated cat, especially if not neutered.

Letter map: Thom vs tom

Shared letters muted; letters that set Thom and tom apart highlighted. Shared run: 3.

4 ch
Thom
3 ch
tom

Role in the sentence - Thom and tom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thom is aname and tomanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24109, derived from the frequency rank of both members and their visual similarity.

Thom is recorded at frequency rank #22,527, 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 24109, this pair ranks #404,396 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Thom vs tom

Shared letters: mot. Private to "Thom": h. Private to "tom": -.

"Thom" · 4 letters · shape CCVC  ·  "tom" · 3 letters · shape CVC

Known mistypes of this pair

  • Thomhtom · thhom · thmo · thomm · tohm · tthom

Frequently Asked Questions

Can "Thom" and "tom" be used interchangeably?
No - they are not even the same part of speech. "Thom" is a name and "tom" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Thom" vs "tom" - which ranks higher?
"tom" is the more common of the two: it sits at frequency rank #1,582 in our English list, against #22,527 for "Thom". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "Thom" and "tom". Here's where to go from here.

  • Full dictionary entry for "Thom" 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 #404,396 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thom" and "tom" also get mixed up with nearby pairs, the highest-scored neighbour is "Thom vs toma". Nearby pair
  • 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 #404,396 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