thovstomWhich spelling fits?

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

Which to use

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

#3,588
“tho” frequency rank
#1,582
“tom” frequency rank
5170
confusion score

Side-by-Side Comparison

Feature tho tom
Definition The (plural form); those. The male of the domesticated cat, especially if not neutered.

Where the eye mixes tho and tom

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
tho
3 ch
tom

Visual trap between tho and tom

These two trip readers on the page rather than in the ear: tho is /ðəʊ/ while tom is /tɒm/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5170, derived from the frequency rank of both members and their visual similarity.

tho is recorded at frequency rank #3,588, classified as anarticle, pronounced /ðəʊ/. 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 5170, this pair ranks #516,334 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of tho vs tom

Shared letters: ot. Private to "tho": h. Private to "tom": m.

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

Frequently Asked Questions

Is swapping "tho" for "tom" ever safe?
No - they are not even the same part of speech. "tho" is an article and "tom" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tho" or "tom"?
"tom" is the more common of the two: it sits at frequency rank #1,582 in our English list, against #3,588 for "tho". 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 "tho" 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 #516,334 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tho" and "tom" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs tho". Nearby pair

Confusion rank #516,334 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