doublevsdoubtWhat's the difference?

Quick tell: double is a adjective, doubt is a verb, so they fill different roles in a sentence.

Which to use

“double” is an adjective and “doubt” is a verb - they look or sound alike but fill different roles in a sentence.

#1,049
“double” frequency rank
#1,333
“doubt” frequency rank
2382
confusion score

Side-by-Side Comparison

Feature double doubt
Definition Made up of two matching or complementary elements. To be undecided about; to lack confidence in; to disbelieve, to question.

Where the spellings diverge

Shared letters are muted; the letters that actually set double and doubt apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
double
5 ch
doubt

Spelling & Dictionary Insight

double and doubt form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 2382, derived from the frequency rank of both members and their visual similarity.

double is recorded at frequency rank #1,049, classified as anadj, pronounced /ˈdʌb.əl/. doubt is at rank #1,333, tagged as averb, pronounced /daʊt/.

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 2382, this pair ranks #525,117 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

double#1,049
doubt#1,333

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "double" and "doubt" be used interchangeably?
No, "double" and "doubt" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering double vs doubt

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “double”; for a verb, it's “doubt”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “double” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list