unitedvsunitsWhat's the difference?

Quick tell: united is a verb, units is a noun, so they fill different roles in a sentence.

Which to use

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

#323
“united” frequency rank
#1,778
“units” frequency rank
2101
confusion score

Side-by-Side Comparison

Feature united units
Definition simple past and past participle of unite plural of unit

Where the spellings diverge

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

6 ch
united
5 ch
units

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: united is /juːˈnaɪtɪd/ while units is /ˈjuː.nɪts/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2101, derived from the frequency rank of both members and their visual similarity.

united is recorded at frequency rank #323, classified as averb, pronounced /juːˈnaɪtɪd/. units is at rank #1,778, tagged as anoun, pronounced /ˈjuː.nɪts/.

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 2101, this pair ranks #525,862 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of united vs units

Shared letters: intu. Private to "united": de. Private to "units": s.

"united" · 6 letters · shape VCVCVC  ·  "units" · 5 letters · shape VCVCC

Known mistypes of this pair

  • unitednuited · uinted · unietd · unitde · unitedd · unitted · unnited
  • unitsnuits · uints · unist · unitss · unitts · unnits · untis

Frequency comparison

united#323
units#1,778

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "united" and "units" be used interchangeably?
No - they are not even the same part of speech. "united" is a verb and "units" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "united" or "units"?
"united" is the more common of the two: it sits at frequency rank #323 in our English list, against #1,778 for "units". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering united vs units

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “united”; for a noun, it's “units”.
  • 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

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

Source: FrequencyWords open word-frequency list