thovstohWhat's the difference?

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

Which to use

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

#3,588
“tho” frequency rank
#47,966
“toh” frequency rank
51554
confusion score

Side-by-Side Comparison

Feature tho toh
Definition The (plural form); those. To collapse (fail or break down internally); to fall asleep or collapse from exhaustion.

Where the eye mixes tho and toh

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

3 ch
tho
3 ch
toh

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: tho is /ðəʊ/ while toh is [t˭o˦˨]. Spoken aloud the problem disappears. In writing it persists, because they differ only by swapping two adjacent letters (ho ↔ oh) - a transposition the eye reads straight past, and the parts of speech differ too (article vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51554, 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/. toh is at rank #47,966, tagged as averb, pronounced [t˭o˦˨].

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 51554, this pair ranks #164,504 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tho vs toh

Shared letters: hot. Private to "tho": -. Private to "toh": -.

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

Frequently Asked Questions

Can "tho" and "toh" be used interchangeably?
No - they are not even the same part of speech. "tho" is an article and "toh" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tho" or "toh"?
"tho" is the more common of the two: it sits at frequency rank #3,588 in our English list, against #47,966 for "toh". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list