united vs unused, What's the Difference?

Which to use

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

#323
“united” frequency rank: #12,346
“unused” frequency rank: 12669
confusion score

Side-by-Side Comparison

Feature	united	unused
Definition	simple past and past participle of unite	Not used.

Where the spellings diverge

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

6 ch

united

6 ch

unused

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: united is /juːˈnaɪtɪd/ while unused is /ʌnˈjuːzd/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 12669, derived from the frequency rank of both members and their visual similarity.

united is recorded at frequency rank #323, classified as averb, pronounced /juːˈnaɪtɪd/. unused is at rank #12,346, tagged as anadj, pronounced /ʌnˈjuːzd/.

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 12669, this pair ranks #480,234 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of united vs unused

Shared letters: denu. Private to "united": it. Private to "unused": s.

"united" · 6 letters · shape VCVCVC · "unused" · 6 letters · shape VCVCVC

Known mistypes of this pair

united ← nuited · uinted · unietd · unitde · unitedd · unitted · unnited
unused ← nuused · unnused · unsued · unuesd · unusde · unusedd · unussed · uunsed

Frequency comparison

united#323

unused#12,346

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "united" and "unused" be used interchangeably?

No - they are not even the same part of speech. "united" is a verb and "unused" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "united" or "unused"?

"united" is the more common of the two: it sits at frequency rank #323 in our English list, against #12,346 for "unused". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering united vs unused

The fastest way to pick the right one every time.

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