Which to use
“tremble” is a verb and “trouble” is a noun - they look or sound alike but fill different roles in a sentence.
- #27,681
- “tremble” frequency rank
- #1,707
- “trouble” frequency rank
- 29388
- confusion score
Side-by-Side Comparison
| Feature | tremble | trouble |
|---|---|---|
| Definition | To shake, quiver, or vibrate. | A distressing or dangerous situation. |
Where the spellings diverge
Shared letters are muted; the letters that actually set tremble and trouble apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: tremble is /ˈtɹɛmbl̩/ while trouble is /ˈtɹʌb.əl/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29388, derived from the frequency rank of both members and their visual similarity.
tremble is recorded at frequency rank #27,681, classified as averb, pronounced /ˈtɹɛmbl̩/. trouble is at rank #1,707, tagged as anoun, pronounced /ˈtɹʌb.əl/.
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 29388, this pair ranks #363,422 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tremble vs trouble
Shared letters: belrt. Private to "tremble": m. Private to "trouble": ou.
"tremble" · 7 letters · shape CCVCCCV · "trouble" · 7 letters · shape CCVVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "tremble" and "trouble" be used interchangeably?
Which is more common, "tremble" or "trouble"?
Remembering tremble vs trouble
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “tremble”; for a noun, it's “trouble”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “tremble” entry
- Browse more pairs most likely to be confused. Most confusable