Which to use
“third” is an adjective and “thorn” is a noun - they look or sound alike but fill different roles in a sentence.
- #27,988
- “third” frequency rank
- #43,696
- “thorn” frequency rank
- 71684
- confusion score
Side-by-Side Comparison
| Feature | third | thorn |
|---|---|---|
| Definition | Troisième. | Lettre scandinave aujourd’hui uniquement en islandais, mais qui fut également utilisée par des langues mortes telles que l’anglo-saxon. Majuscule : Þ, minuscule : þ. |
Where the spellings diverge
Shared letters are muted; the letters that actually set third and thorn apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
third and thorn form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 71684, derived from the frequency rank of both members and their visual similarity.
third is recorded at frequency rank #27,988, classified as anadj, pronounced \ˈθɝd\. thorn is at rank #43,696, tagged as anoun, pronounced \tɔʁn\.
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 71684, this pair ranks #46,695 of 440,172 scored French confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "third" and "thorn" be used interchangeably?
Remembering third vs thorn
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “third”; for a noun, it's “thorn”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “third” entry
- Browse more pairs most likely to be confused. Most confusable